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22 vulnerabilities found for nessus_agent by tenable
CVE-2026-2026 (GCVE-0-2026-2026)
Vulnerability from nvd – Published: 2026-02-13 16:14 – Updated: 2026-02-13 16:58
VLAI
Title
Improper Access Control Allows Denial of Service
Summary
A vulnerability has been identified where weak file permissions in the Nessus Agent directory on Windows hosts could allow unauthorized access, potentially permitting Denial of Service (DoS) attacks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Impacted products
Date Public
2026-02-12 19:00
Credits
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CVE-2025-36632 (GCVE-0-2025-36632)
Vulnerability from nvd – Published: 2025-06-16 13:56 – Updated: 2025-06-16 14:19
VLAI
Title
Local Privilege Escalation
Summary
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could execute code with SYSTEM privilege.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Date Public
2025-06-12 19:00
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CVE-2025-36633 (GCVE-0-2025-36633)
Vulnerability from nvd – Published: 2025-06-13 14:21 – Updated: 2026-02-26 17:50
VLAI
Title
Local Privilege Escalation
Summary
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could arbitrarily delete local system files with SYSTEM privilege, potentially leading to local privilege escalation.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Date Public
2025-06-12 19:00
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CVE-2025-36631 (GCVE-0-2025-36631)
Vulnerability from nvd – Published: 2025-06-13 14:34 – Updated: 2025-06-13 14:51
VLAI
Title
Local Privilege Escalation
Summary
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could overwrite arbitrary local system files with log content at SYSTEM privilege.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Date Public
2025-06-12 19:00
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CVE-2023-5847 (GCVE-0-2023-5847)
Vulnerability from nvd – Published: 2023-11-01 15:30 – Updated: 2024-09-05 19:40
VLAI
Summary
Under certain conditions, a low privileged attacker could load a specially crafted file during installation or upgrade to escalate privileges on Windows and Linux hosts.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Tenable | Nessus |
Affected:
0 , < 10.6.2
(10.6.2)
|
|
| Tenable | Nessus Agent |
Affected:
0 , < 10.4.3
(10.4.3)
|
|
| tenable | nessus |
Affected:
0 , < 10.6.2
(custom)
cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* |
|
| tenable | nessus_agent |
Affected:
0 , < 10.4.3
(custom)
cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:* |
Date Public
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CVE-2021-20118 (GCVE-0-2021-20118)
Vulnerability from nvd – Published: 2021-09-09 11:26 – Updated: 2024-08-03 17:30
VLAI
Summary
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20117.
Severity
No CVSS data available.
CWE
- Local Privilege Escalation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2021-15 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Nessus Agent |
Affected:
Nessus Agent 8.3.0 and earlier
|
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CVE-2021-20117 (GCVE-0-2021-20117)
Vulnerability from nvd – Published: 2021-09-09 11:26 – Updated: 2024-08-03 17:30
VLAI
Summary
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20118.
Severity
No CVSS data available.
CWE
- Local Privilege Escalation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2021-15 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Nessus Agent |
Affected:
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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
Title
CA certificate check bypass with X509_V_FLAG_X509_STRICT
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
24 references
Impacted products
Date Public
2021-03-25 00:00
Credits
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CVE-2021-20077 (GCVE-0-2021-20077)
Vulnerability from nvd – Published: 2021-03-19 18:46 – Updated: 2024-08-03 17:30
VLAI
Summary
Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could allow a privileged attacker to obtain the token.
Severity
No CVSS data available.
CWE
- Privilege Escalation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2021-04-0 | x_refsource_MISC |
| https://www.tenable.com/security/tns-2021-07 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Tenable Nessus Agent |
Affected:
7.2.0 through 8.2.2
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CVE-2020-5793 (GCVE-0-2020-5793)
Vulnerability from nvd – Published: 2020-11-05 19:11 – Updated: 2024-08-04 08:39
VLAI
Summary
A vulnerability in Nessus versions 8.9.0 through 8.12.0 for Windows & Nessus Agent 8.0.0 and 8.1.0 for Windows could allow an authenticated local attacker to copy user-supplied files to a specially constructed path in a specifically named user directory. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability.
Severity
No CVSS data available.
CWE
- Local Privilege Escalation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2020-07 | x_refsource_MISC |
| https://www.tenable.com/security/tns-2020-08 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Tenable Nessus for Windows and Tenable Nessus Agent for Windows |
Affected:
Nessus Agent 8.0.0 and 8.1.0 / Nessus 8.9.0 through Nessus 8.12.0
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CVE-2019-16168 (GCVE-0-2019-16168)
Vulnerability from nvd – Published: 2019-09-09 16:07 – Updated: 2026-05-28 18:37
VLAI
Summary
In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other application because of missing validation of a sqlite_stat1 sz field, aka a "severe division by zero in the query planner."
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-369 - Divide By Zero
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References
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CVE-2026-2026 (GCVE-0-2026-2026)
Vulnerability from cvelistv5 – Published: 2026-02-13 16:14 – Updated: 2026-02-13 16:58
VLAI
Title
Improper Access Control Allows Denial of Service
Summary
A vulnerability has been identified where weak file permissions in the Nessus Agent directory on Windows hosts could allow unauthorized access, potentially permitting Denial of Service (DoS) attacks.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Impacted products
Date Public
2026-02-12 19:00
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CVE-2025-36632 (GCVE-0-2025-36632)
Vulnerability from cvelistv5 – Published: 2025-06-16 13:56 – Updated: 2025-06-16 14:19
VLAI
Title
Local Privilege Escalation
Summary
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could execute code with SYSTEM privilege.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-276 - Incorrect Default Permissions
Assigner
References
1 reference
Date Public
2025-06-12 19:00
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CVE-2025-36631 (GCVE-0-2025-36631)
Vulnerability from cvelistv5 – Published: 2025-06-13 14:34 – Updated: 2025-06-13 14:51
VLAI
Title
Local Privilege Escalation
Summary
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could overwrite arbitrary local system files with log content at SYSTEM privilege.
Severity
8.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Date Public
2025-06-12 19:00
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CVE-2025-36633 (GCVE-0-2025-36633)
Vulnerability from cvelistv5 – Published: 2025-06-13 14:21 – Updated: 2026-02-26 17:50
VLAI
Title
Local Privilege Escalation
Summary
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Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
1 reference
Date Public
2025-06-12 19:00
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CVE-2023-5847 (GCVE-0-2023-5847)
Vulnerability from cvelistv5 – Published: 2023-11-01 15:30 – Updated: 2024-09-05 19:40
VLAI
Summary
Under certain conditions, a low privileged attacker could load a specially crafted file during installation or upgrade to escalate privileges on Windows and Linux hosts.
Severity
6.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
2 references
Impacted products
4 products
| Vendor | Product | Version | |
|---|---|---|---|
| Tenable | Nessus |
Affected:
0 , < 10.6.2
(10.6.2)
|
|
| Tenable | Nessus Agent |
Affected:
0 , < 10.4.3
(10.4.3)
|
|
| tenable | nessus |
Affected:
0 , < 10.6.2
(custom)
cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* |
|
| tenable | nessus_agent |
Affected:
0 , < 10.4.3
(custom)
cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:* |
Date Public
2023-10-31 19:00
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CVE-2021-20118 (GCVE-0-2021-20118)
Vulnerability from cvelistv5 – Published: 2021-09-09 11:26 – Updated: 2024-08-03 17:30
VLAI
Summary
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20117.
Severity
No CVSS data available.
CWE
- Local Privilege Escalation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2021-15 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Nessus Agent |
Affected:
Nessus Agent 8.3.0 and earlier
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CVE-2021-20117 (GCVE-0-2021-20117)
Vulnerability from cvelistv5 – Published: 2021-09-09 11:26 – Updated: 2024-08-03 17:30
VLAI
Summary
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is different than CVE-2021-20118.
Severity
No CVSS data available.
CWE
- Local Privilege Escalation
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2021-15 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Nessus Agent |
Affected:
Nessus Agent 8.3.0 and earlier
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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
Title
CA certificate check bypass with X509_V_FLAG_X509_STRICT
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
24 references
Impacted products
Date Public
2021-03-25 00:00
Credits
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CVE-2021-20077 (GCVE-0-2021-20077)
Vulnerability from cvelistv5 – Published: 2021-03-19 18:46 – Updated: 2024-08-03 17:30
VLAI
Summary
Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could allow a privileged attacker to obtain the token.
Severity
No CVSS data available.
CWE
- Privilege Escalation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2021-04-0 | x_refsource_MISC |
| https://www.tenable.com/security/tns-2021-07 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Tenable Nessus Agent |
Affected:
7.2.0 through 8.2.2
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CVE-2020-5793 (GCVE-0-2020-5793)
Vulnerability from cvelistv5 – Published: 2020-11-05 19:11 – Updated: 2024-08-04 08:39
VLAI
Summary
A vulnerability in Nessus versions 8.9.0 through 8.12.0 for Windows & Nessus Agent 8.0.0 and 8.1.0 for Windows could allow an authenticated local attacker to copy user-supplied files to a specially constructed path in a specifically named user directory. An attacker could exploit this vulnerability by creating a malicious file and copying the file to a system directory. The attacker needs valid credentials on the Windows system to exploit this vulnerability.
Severity
No CVSS data available.
CWE
- Local Privilege Escalation
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tenable.com/security/tns-2020-07 | x_refsource_MISC |
| https://www.tenable.com/security/tns-2020-08 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Tenable Nessus for Windows and Tenable Nessus Agent for Windows |
Affected:
Nessus Agent 8.0.0 and 8.1.0 / Nessus 8.9.0 through Nessus 8.12.0
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CVE-2019-16168 (GCVE-0-2019-16168)
Vulnerability from cvelistv5 – Published: 2019-09-09 16:07 – Updated: 2026-05-28 18:37
VLAI
Summary
In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other application because of missing validation of a sqlite_stat1 sz field, aka a "severe division by zero in the query planner."
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-369 - Divide By Zero
Assigner
References
17 references
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