Search criteria
42 vulnerabilities found for nessus_network_monitor by tenable
FKIE_CVE-2025-24917
Vulnerability from fkie_nvd - Published: 2025-05-23 16:15 - Updated: 2025-10-23 14:33
Severity ?
Summary
In Tenable Network Monitor versions prior to 6.5.1 on a Windows host, it was found that a non-administrative user could stage files in a local directory to run arbitrary code with SYSTEM privileges, potentially leading to local privilege escalation.
References
| URL | Tags | ||
|---|---|---|---|
| vulnreport@tenable.com | https://www.tenable.com/security/tns-2025-10 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenable | nessus_network_monitor | * | |
| microsoft | windows | - |
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"id": "CVE-2025-24917",
"lastModified": "2025-10-23T14:33:56.970",
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FKIE_CVE-2025-24916
Vulnerability from fkie_nvd - Published: 2025-05-23 16:15 - Updated: 2025-10-23 14:35
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor versions prior to 6.5.1 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the non-default installation location.
References
| URL | Tags | ||
|---|---|---|---|
| vulnreport@tenable.com | https://www.tenable.com/security/tns-2025-10 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenable | nessus_network_monitor | * | |
| microsoft | windows | - |
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"lastModified": "2025-10-23T14:35:21.220",
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FKIE_CVE-2024-9158
Vulnerability from fkie_nvd - Published: 2024-09-30 17:15 - Updated: 2024-10-07 16:13
Severity ?
8.4 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
4.6 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.6 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.
References
| URL | Tags | ||
|---|---|---|---|
| vulnreport@tenable.com | https://www.tenable.com/security/tns-2024-17 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenable | nessus_network_monitor | * |
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"id": "CVE-2024-9158",
"lastModified": "2024-10-07T16:13:49.027",
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FKIE_CVE-2023-5622
Vulnerability from fkie_nvd - Published: 2023-10-26 17:15 - Updated: 2024-11-21 08:42
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Under certain conditions, Nessus Network Monitor could allow a low privileged user to escalate privileges to NT AUTHORITY\SYSTEM on Windows hosts by replacing a specially crafted file.
References
| URL | Tags | ||
|---|---|---|---|
| vulnreport@tenable.com | https://www.tenable.com/security/tns-2023-34 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.tenable.com/security/tns-2023-34 | Patch, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenable | nessus_network_monitor | * |
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"id": "CVE-2023-5622",
"lastModified": "2024-11-21T08:42:08.223",
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FKIE_CVE-2023-5624
Vulnerability from fkie_nvd - Published: 2023-10-26 17:15 - Updated: 2024-11-21 08:42
Severity ?
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Summary
Under certain conditions, Nessus Network Monitor was found to not properly enforce input validation. This could allow an admin user to alter parameters that could potentially allow a blindSQL injection.
References
| URL | Tags | ||
|---|---|---|---|
| vulnreport@tenable.com | https://www.tenable.com/security/tns-2023-34 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.tenable.com/security/tns-2023-34 | Patch, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenable | nessus_network_monitor | * |
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"id": "CVE-2023-5624",
"lastModified": "2024-11-21T08:42:08.477",
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FKIE_CVE-2023-5623
Vulnerability from fkie_nvd - Published: 2023-10-26 17:15 - Updated: 2024-11-21 08:42
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard location
References
| URL | Tags | ||
|---|---|---|---|
| vulnreport@tenable.com | https://www.tenable.com/security/tns-2023-34 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.tenable.com/security/tns-2023-34 | Patch, Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tenable | nessus_network_monitor | * |
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FKIE_CVE-2021-3712
Vulnerability from fkie_nvd - Published: 2021-08-24 15:15 - Updated: 2024-11-21 06:22
Severity ?
Summary
ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL (0) byte. Although not a strict requirement, ASN.1 strings that are parsed using OpenSSL's own "d2i" functions (and other similar parsing functions) as well as any string whose value has been set with the ASN1_STRING_set() function will additionally NUL terminate the byte array in the ASN1_STRING structure. However, it is possible for applications to directly construct valid ASN1_STRING structures which do not NUL terminate the byte array by directly setting the "data" and "length" fields in the ASN1_STRING array. This can also happen by using the ASN1_STRING_set0() function. Numerous OpenSSL functions that print ASN.1 data have been found to assume that the ASN1_STRING byte array will be NUL terminated, even though this is not guaranteed for strings that have been directly constructed. Where an application requests an ASN.1 structure to be printed, and where that ASN.1 structure contains ASN1_STRINGs that have been directly constructed by the application without NUL terminating the "data" field, then a read buffer overrun can occur. The same thing can also occur during name constraints processing of certificates (for example if a certificate has been directly constructed by the application instead of loading it via the OpenSSL parsing functions, and the certificate contains non NUL terminated ASN1_STRING structures). It can also occur in the X509_get1_email(), X509_REQ_get1_email() and X509_get1_ocsp() functions. If a malicious actor can cause an application to directly construct an ASN1_STRING and then process it through one of the affected OpenSSL functions then this issue could be hit. This might result in a crash (causing a Denial of Service attack). It could also result in the disclosure of private memory contents (such as private keys, or sensitive plaintext). Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). Fixed in OpenSSL 1.0.2za (Affected 1.0.2-1.0.2y).
References
Impacted products
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"value": "Las cadenas ASN.1 se representan internamente en OpenSSL como una estructura ASN1_STRING que contiene un b\u00fafer que contiene los datos de la cadena y un campo que contiene la longitud del b\u00fafer. Esto contrasta con las cadenas C normales, que se representan como un b\u00fafer para los datos de la cadena que termina con un byte NUL (0). Aunque no es un requisito estricto, las cadenas ASN.1 que se analizan usando las propias funciones \"d2i\" de OpenSSL (y otras funciones de an\u00e1lisis similares), as\u00ed como cualquier cadena cuyo valor ha sido ajustado con la funci\u00f3n ASN1_STRING_set(), terminar\u00e1n adicionalmente con NUL la matriz de bytes en la estructura ASN1_STRING. Sin embargo, es posible que las aplicaciones construyan directamente estructuras ASN1_STRING v\u00e1lidas que no terminen en NUL la matriz de bytes, ajustando directamente los campos \"data\" y \"length\" en la matriz ASN1_STRING. Esto tambi\u00e9n puede ocurrir usando la funci\u00f3n ASN1_STRING_set0(). Se ha detectado que numerosas funciones de OpenSSL que imprimen datos ASN.1 asumen que la matriz de bytes ASN1_STRING estar\u00e1 terminada en NUL, aunque esto no est\u00e1 garantizado para las cadenas que han sido construidas directamente. Cuando una aplicaci\u00f3n pide que se imprima una estructura ASN.1, y cuando esa estructura ASN.1 contiene ASN1_STRINGs que han sido construidos directamente por la aplicaci\u00f3n sin terminar en NUL el campo \"data\", entonces puede ocurrir un desbordamiento del buffer de lectura. Lo mismo puede ocurrir durante el procesamiento de las restricciones de nombre de los certificados (por ejemplo, si un certificado ha sido construido directamente por la aplicaci\u00f3n en lugar de cargarlo por medio de las funciones de an\u00e1lisis de OpenSSL, y el certificado contiene estructuras ASN1_STRING sin terminaci\u00f3n NUL). Tambi\u00e9n puede ocurrir en las funciones X509_get1_email(), X509_REQ_get1_email() y X509_get1_ocsp(). Si un actor malicioso puede hacer que una aplicaci\u00f3n construya directamente un ASN1_STRING y luego lo procese a mediante una de las funciones de OpenSSL afectadas, este problema podr\u00eda ser alcanzado. Esto podr\u00eda resultar en un bloqueo (causando un ataque de Denegaci\u00f3n de Servicio). Tambi\u00e9n podr\u00eda resultar en la revelaci\u00f3n de contenidos de memoria privada (como claves privadas, o texto plano confidencial). Corregido en OpenSSL versi\u00f3n 1.1.1l (Afectada 1.1.1-1.1.1k). Corregido en OpenSSL versi\u00f3n 1.0.2za (Afectada 1.0.2-1.0.2y)."
}
],
"id": "CVE-2021-3712",
"lastModified": "2024-11-21T06:22:13.290",
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"published": "2021-08-24T15:15:09.533",
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],
"sourceIdentifier": "openssl-security@openssl.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
FKIE_CVE-2021-3711
Vulnerability from fkie_nvd - Published: 2021-08-24 15:15 - Updated: 2024-11-21 06:22
Severity ?
Summary
In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Typically an application will call this function twice. The first time, on entry, the "out" parameter can be NULL and, on exit, the "outlen" parameter is populated with the buffer size required to hold the decrypted plaintext. The application can then allocate a sufficiently sized buffer and call EVP_PKEY_decrypt() again, but this time passing a non-NULL value for the "out" parameter. A bug in the implementation of the SM2 decryption code means that the calculation of the buffer size required to hold the plaintext returned by the first call to EVP_PKEY_decrypt() can be smaller than the actual size required by the second call. This can lead to a buffer overflow when EVP_PKEY_decrypt() is called by the application a second time with a buffer that is too small. A malicious attacker who is able present SM2 content for decryption to an application could cause attacker chosen data to overflow the buffer by up to a maximum of 62 bytes altering the contents of other data held after the buffer, possibly changing application behaviour or causing the application to crash. The location of the buffer is application dependent but is typically heap allocated. Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k).
References
Impacted products
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"value": "In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Typically an application will call this function twice. The first time, on entry, the \"out\" parameter can be NULL and, on exit, the \"outlen\" parameter is populated with the buffer size required to hold the decrypted plaintext. The application can then allocate a sufficiently sized buffer and call EVP_PKEY_decrypt() again, but this time passing a non-NULL value for the \"out\" parameter. A bug in the implementation of the SM2 decryption code means that the calculation of the buffer size required to hold the plaintext returned by the first call to EVP_PKEY_decrypt() can be smaller than the actual size required by the second call. This can lead to a buffer overflow when EVP_PKEY_decrypt() is called by the application a second time with a buffer that is too small. A malicious attacker who is able present SM2 content for decryption to an application could cause attacker chosen data to overflow the buffer by up to a maximum of 62 bytes altering the contents of other data held after the buffer, possibly changing application behaviour or causing the application to crash. The location of the buffer is application dependent but is typically heap allocated. Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k)."
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FKIE_CVE-2021-3450
Vulnerability from fkie_nvd - Published: 2021-03-25 15:15 - Updated: 2024-11-21 06:21
Severity ?
Summary
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a "purpose" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named "purpose" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).
References
Impacted products
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"value": "The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a \"purpose\" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named \"purpose\" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j)."
},
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"value": "El flag X509_V_FLAG_X509_STRICT permite llevar a cabo comprobaciones de seguridad adicionales de los certificados presentes en una cadena de certificados. No est\u00e1 establecido por defecto. A partir de la versi\u00f3n 1.1.1h de OpenSSL, se a\u00f1adi\u00f3 como comprobaci\u00f3n estricta adicional la de no permitir certificados en la cadena que tengan par\u00e1metros de curva el\u00edptica codificados expl\u00edcitamente. Un error en la implementaci\u00f3n de esta comprobaci\u00f3n significaba que el resultado de una comprobaci\u00f3n previa para confirmar que los certificados de la cadena son certificados de CA v\u00e1lidos fueron sobrescritos. De este modo, se omite la comprobaci\u00f3n de que los certificados que no son de CA no deben poder emitir otros certificados. Si se ha configurado un \"purpose\", se presenta la posibilidad de comprobar posteriormente que el certificado es una CA v\u00e1lida. Todos los valores de \"purpose\" implementados en libcrypto llevan a cabo esta comprobaci\u00f3n. Por lo tanto, cuando se establece un prop\u00f3sito, la cadena de certificados seguir\u00e1 siendo rechazada inclusive cuando se haya usado el flag strict. Se establece un prop\u00f3sito por defecto en las rutinas de verificaci\u00f3n de certificados de cliente servidor de libssl, pero puede ser anulado o eliminado por una aplicaci\u00f3n. Para que se vea afectada, una aplicaci\u00f3n debe establecer expl\u00edcitamente el flag de verificaci\u00f3n X509_V_FLAG_X509_STRICT y no establecer un prop\u00f3sito para la verificaci\u00f3n de certificados o, en el caso de las aplicaciones de cliente o servidor TLS, anular el prop\u00f3sito por defecto. Este problema afecta a las versiones 1.1.1h y posteriores de OpenSSL. Los usuarios de estas versiones deben actualizar a OpenSSL versi\u00f3n 1.1.1k. OpenSSL versi\u00f3n 1.0.2 no est\u00e1 afectado por este problema. Corregido en OpenSSL versi\u00f3n 1.1.1k (Afectadas versiones 1.1.1h-1.1.1j)"
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"id": "CVE-2021-3450",
"lastModified": "2024-11-21T06:21:33.633",
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"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
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"sourceIdentifier": "openssl-security@openssl.org",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
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}
FKIE_CVE-2021-3449
Vulnerability from fkie_nvd - Published: 2021-03-25 15:15 - Updated: 2024-11-21 06:21
Severity ?
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
References
Impacted products
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CVE-2025-24917 (GCVE-0-2025-24917)
Vulnerability from cvelistv5 – Published: 2025-05-23 15:59 – Updated: 2025-05-28 03:55
VLAI?
Summary
In Tenable Network Monitor versions prior to 6.5.1 on a Windows host, it was found that a non-administrative user could stage files in a local directory to run arbitrary code with SYSTEM privileges, potentially leading to local privilege escalation.
Severity ?
7.8 (High)
CWE
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Network Monitor |
Affected:
0 , < 6.5.1
(semver)
|
Credits
Will Dormann
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CVE-2025-24916 (GCVE-0-2025-24916)
Vulnerability from cvelistv5 – Published: 2025-05-23 15:46 – Updated: 2025-05-28 03:56
VLAI?
Summary
When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor versions prior to 6.5.1 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the non-default installation location.
Severity ?
CWE
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Network Monitor |
Affected:
0 , < 6.5.1
(semver)
|
Credits
Will Dormann
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CVE-2024-9158 (GCVE-0-2024-9158)
Vulnerability from cvelistv5 – Published: 2024-09-30 16:24 – Updated: 2024-09-30 17:22
VLAI?
Summary
A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.
Severity ?
8.4 (High)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.5.0
(custom)
|
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CVE-2023-5624 (GCVE-0-2023-5624)
Vulnerability from cvelistv5 – Published: 2023-10-26 16:36 – Updated: 2024-09-09 15:48
VLAI?
Summary
Under certain conditions, Nessus Network Monitor was found to not properly enforce input validation. This could allow an admin user to alter parameters that could potentially allow a blindSQL injection.
Severity ?
7.2 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.3.0
(6.3.0)
|
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CVE-2023-5623 (GCVE-0-2023-5623)
Vulnerability from cvelistv5 – Published: 2023-10-26 16:25 – Updated: 2024-09-09 15:50
VLAI?
Summary
NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard location
Severity ?
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.3.0
(6.3.0)
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CVE-2023-5622 (GCVE-0-2023-5622)
Vulnerability from cvelistv5 – Published: 2023-10-26 16:18 – Updated: 2024-08-02 08:07
VLAI?
Summary
Under certain conditions, Nessus Network Monitor could allow a low privileged user to escalate privileges to NT AUTHORITY\SYSTEM on Windows hosts by replacing a specially crafted file.
Severity ?
7.1 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.3.0
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CVE-2021-3712 (GCVE-0-2021-3712)
Vulnerability from cvelistv5 – Published: 2021-08-24 14:50 – Updated: 2024-09-16 20:32
VLAI?
Summary
ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL (0) byte. Although not a strict requirement, ASN.1 strings that are parsed using OpenSSL's own "d2i" functions (and other similar parsing functions) as well as any string whose value has been set with the ASN1_STRING_set() function will additionally NUL terminate the byte array in the ASN1_STRING structure. However, it is possible for applications to directly construct valid ASN1_STRING structures which do not NUL terminate the byte array by directly setting the "data" and "length" fields in the ASN1_STRING array. This can also happen by using the ASN1_STRING_set0() function. Numerous OpenSSL functions that print ASN.1 data have been found to assume that the ASN1_STRING byte array will be NUL terminated, even though this is not guaranteed for strings that have been directly constructed. Where an application requests an ASN.1 structure to be printed, and where that ASN.1 structure contains ASN1_STRINGs that have been directly constructed by the application without NUL terminating the "data" field, then a read buffer overrun can occur. The same thing can also occur during name constraints processing of certificates (for example if a certificate has been directly constructed by the application instead of loading it via the OpenSSL parsing functions, and the certificate contains non NUL terminated ASN1_STRING structures). It can also occur in the X509_get1_email(), X509_REQ_get1_email() and X509_get1_ocsp() functions. If a malicious actor can cause an application to directly construct an ASN1_STRING and then process it through one of the affected OpenSSL functions then this issue could be hit. This might result in a crash (causing a Denial of Service attack). It could also result in the disclosure of private memory contents (such as private keys, or sensitive plaintext). Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). Fixed in OpenSSL 1.0.2za (Affected 1.0.2-1.0.2y).
Severity ?
No CVSS data available.
CWE
- Buffer overflow
Assigner
References
Impacted products
Credits
Ingo Schwarze
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CVE-2021-3711 (GCVE-0-2021-3711)
Vulnerability from cvelistv5 – Published: 2021-08-24 14:50 – Updated: 2024-09-16 18:29
VLAI?
Summary
In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Typically an application will call this function twice. The first time, on entry, the "out" parameter can be NULL and, on exit, the "outlen" parameter is populated with the buffer size required to hold the decrypted plaintext. The application can then allocate a sufficiently sized buffer and call EVP_PKEY_decrypt() again, but this time passing a non-NULL value for the "out" parameter. A bug in the implementation of the SM2 decryption code means that the calculation of the buffer size required to hold the plaintext returned by the first call to EVP_PKEY_decrypt() can be smaller than the actual size required by the second call. This can lead to a buffer overflow when EVP_PKEY_decrypt() is called by the application a second time with a buffer that is too small. A malicious attacker who is able present SM2 content for decryption to an application could cause attacker chosen data to overflow the buffer by up to a maximum of 62 bytes altering the contents of other data held after the buffer, possibly changing application behaviour or causing the application to crash. The location of the buffer is application dependent but is typically heap allocated. Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k).
Severity ?
No CVSS data available.
CWE
- Buffer overflow
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
Credits
John Ouyang
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CVE-2021-3450 (GCVE-0-2021-3450)
Vulnerability from cvelistv5 – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:07
VLAI?
Summary
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a "purpose" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named "purpose" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).
Severity ?
No CVSS data available.
CWE
- Invalid Certificate Verification
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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|
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Impacted products
Credits
Benjamin Kaduk (Akamai), Xiang Ding (Akamai), others at Akamai
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"value": "The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a \"purpose\" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named \"purpose\" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j)."
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CVE-2021-3449 (GCVE-0-2021-3449)
Vulnerability from cvelistv5 – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:43
VLAI?
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
Severity ?
No CVSS data available.
CWE
- NULL pointer dereference
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
Credits
Peter Kästle (Nokia) and Samuel Sapalski (Nokia)
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CVE-2025-24917 (GCVE-0-2025-24917)
Vulnerability from nvd – Published: 2025-05-23 15:59 – Updated: 2025-05-28 03:55
VLAI?
Summary
In Tenable Network Monitor versions prior to 6.5.1 on a Windows host, it was found that a non-administrative user could stage files in a local directory to run arbitrary code with SYSTEM privileges, potentially leading to local privilege escalation.
Severity ?
7.8 (High)
CWE
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Network Monitor |
Affected:
0 , < 6.5.1
(semver)
|
Credits
Will Dormann
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CVE-2025-24916 (GCVE-0-2025-24916)
Vulnerability from nvd – Published: 2025-05-23 15:46 – Updated: 2025-05-28 03:56
VLAI?
Summary
When installing Tenable Network Monitor to a non-default location on a Windows host, Tenable Network Monitor versions prior to 6.5.1 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the non-default installation location.
Severity ?
CWE
- CWE-284 - Improper Access Control
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Network Monitor |
Affected:
0 , < 6.5.1
(semver)
|
Credits
Will Dormann
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CVE-2024-9158 (GCVE-0-2024-9158)
Vulnerability from nvd – Published: 2024-09-30 16:24 – Updated: 2024-09-30 17:22
VLAI?
Summary
A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.
Severity ?
8.4 (High)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.5.0
(custom)
|
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CVE-2023-5624 (GCVE-0-2023-5624)
Vulnerability from nvd – Published: 2023-10-26 16:36 – Updated: 2024-09-09 15:48
VLAI?
Summary
Under certain conditions, Nessus Network Monitor was found to not properly enforce input validation. This could allow an admin user to alter parameters that could potentially allow a blindSQL injection.
Severity ?
7.2 (High)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.3.0
(6.3.0)
|
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CVE-2023-5623 (GCVE-0-2023-5623)
Vulnerability from nvd – Published: 2023-10-26 16:25 – Updated: 2024-09-09 15:50
VLAI?
Summary
NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard location
Severity ?
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.3.0
(6.3.0)
|
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CVE-2023-5622 (GCVE-0-2023-5622)
Vulnerability from nvd – Published: 2023-10-26 16:18 – Updated: 2024-08-02 08:07
VLAI?
Summary
Under certain conditions, Nessus Network Monitor could allow a low privileged user to escalate privileges to NT AUTHORITY\SYSTEM on Windows hosts by replacing a specially crafted file.
Severity ?
7.1 (High)
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Tenable | Nessus Network Monitor |
Affected:
0 , < 6.3.0
(6.3.0)
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CVE-2021-3712 (GCVE-0-2021-3712)
Vulnerability from nvd – Published: 2021-08-24 14:50 – Updated: 2024-09-16 20:32
VLAI?
Summary
ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are repesented as a buffer for the string data which is terminated with a NUL (0) byte. Although not a strict requirement, ASN.1 strings that are parsed using OpenSSL's own "d2i" functions (and other similar parsing functions) as well as any string whose value has been set with the ASN1_STRING_set() function will additionally NUL terminate the byte array in the ASN1_STRING structure. However, it is possible for applications to directly construct valid ASN1_STRING structures which do not NUL terminate the byte array by directly setting the "data" and "length" fields in the ASN1_STRING array. This can also happen by using the ASN1_STRING_set0() function. Numerous OpenSSL functions that print ASN.1 data have been found to assume that the ASN1_STRING byte array will be NUL terminated, even though this is not guaranteed for strings that have been directly constructed. Where an application requests an ASN.1 structure to be printed, and where that ASN.1 structure contains ASN1_STRINGs that have been directly constructed by the application without NUL terminating the "data" field, then a read buffer overrun can occur. The same thing can also occur during name constraints processing of certificates (for example if a certificate has been directly constructed by the application instead of loading it via the OpenSSL parsing functions, and the certificate contains non NUL terminated ASN1_STRING structures). It can also occur in the X509_get1_email(), X509_REQ_get1_email() and X509_get1_ocsp() functions. If a malicious actor can cause an application to directly construct an ASN1_STRING and then process it through one of the affected OpenSSL functions then this issue could be hit. This might result in a crash (causing a Denial of Service attack). It could also result in the disclosure of private memory contents (such as private keys, or sensitive plaintext). Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k). Fixed in OpenSSL 1.0.2za (Affected 1.0.2-1.0.2y).
Severity ?
No CVSS data available.
CWE
- Buffer overflow
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
Credits
Ingo Schwarze
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CVE-2021-3711 (GCVE-0-2021-3711)
Vulnerability from nvd – Published: 2021-08-24 14:50 – Updated: 2024-09-16 18:29
VLAI?
Summary
In order to decrypt SM2 encrypted data an application is expected to call the API function EVP_PKEY_decrypt(). Typically an application will call this function twice. The first time, on entry, the "out" parameter can be NULL and, on exit, the "outlen" parameter is populated with the buffer size required to hold the decrypted plaintext. The application can then allocate a sufficiently sized buffer and call EVP_PKEY_decrypt() again, but this time passing a non-NULL value for the "out" parameter. A bug in the implementation of the SM2 decryption code means that the calculation of the buffer size required to hold the plaintext returned by the first call to EVP_PKEY_decrypt() can be smaller than the actual size required by the second call. This can lead to a buffer overflow when EVP_PKEY_decrypt() is called by the application a second time with a buffer that is too small. A malicious attacker who is able present SM2 content for decryption to an application could cause attacker chosen data to overflow the buffer by up to a maximum of 62 bytes altering the contents of other data held after the buffer, possibly changing application behaviour or causing the application to crash. The location of the buffer is application dependent but is typically heap allocated. Fixed in OpenSSL 1.1.1l (Affected 1.1.1-1.1.1k).
Severity ?
No CVSS data available.
CWE
- Buffer overflow
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||
Impacted products
Credits
John Ouyang
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CVE-2021-3450 (GCVE-0-2021-3450)
Vulnerability from nvd – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:07
VLAI?
Summary
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a "purpose" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named "purpose" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).
Severity ?
No CVSS data available.
CWE
- Invalid Certificate Verification
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
Credits
Benjamin Kaduk (Akamai), Xiang Ding (Akamai), others at Akamai
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CVE-2021-3449 (GCVE-0-2021-3449)
Vulnerability from nvd – Published: 2021-03-25 14:25 – Updated: 2024-09-17 03:43
VLAI?
Summary
An OpenSSL TLS server may crash if sent a maliciously crafted renegotiation ClientHello message from a client. If a TLSv1.2 renegotiation ClientHello omits the signature_algorithms extension (where it was present in the initial ClientHello), but includes a signature_algorithms_cert extension then a NULL pointer dereference will result, leading to a crash and a denial of service attack. A server is only vulnerable if it has TLSv1.2 and renegotiation enabled (which is the default configuration). OpenSSL TLS clients are not impacted by this issue. All OpenSSL 1.1.1 versions are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1-1.1.1j).
Severity ?
No CVSS data available.
CWE
- NULL pointer dereference
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Impacted products
Credits
Peter Kästle (Nokia) and Samuel Sapalski (Nokia)
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"assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"assignerShortName": "openssl",
"cveId": "CVE-2021-3449",
"datePublished": "2021-03-25T14:25:13.659307Z",
"dateReserved": "2021-03-17T00:00:00",
"dateUpdated": "2024-09-17T03:43:55.497Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}