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Vulnerability from cleanstart
Published
2026-04-01 10:02
Modified
2026-03-10 11:38
Summary
Security fixes for CVE-2015-20107, CVE-2015-2104, CVE-2019-16056, CVE-2019-16935, CVE-2019-20907, CVE-2019-5010, CVE-2020-14422, CVE-2020-8492, CVE-2021-23336, CVE-2021-29921, CVE-2021-3177, CVE-2022-45061, CVE-2023-27043, CVE-2024-6232, CVE-2024-6923, CVE-2025-59375 applied in versions: 3.10.5-r0, 3.11.1-r0, 3.11.5-r0, 3.12.12-r0, 3.12.3-r2, 3.12.6-r0, 3.6.8-r1, 3.7.5-r0, 3.8.2-r0, 3.8.4-r0, 3.8.5-r0, 3.8.7-r2, 3.8.8-r0, 3.9.4-r0, 3.9.5-r0
Details
Multiple security vulnerabilities affect the python3 package. These issues are resolved in later releases. See references for individual vulnerability details.
References
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "python3"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.9.5-r0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"credits": [],
"database_specific": {},
"details": "Multiple security vulnerabilities affect the python3 package. These issues are resolved in later releases. See references for individual vulnerability details.",
"id": "CLEANSTART-2026-BM51903",
"modified": "2026-03-10T11:38:44Z",
"published": "2026-04-01T10:02:05.179897Z",
"references": [
{
"type": "ADVISORY",
"url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-BM51903.json"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2015-20107"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2015-2104"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2019-16056"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2019-16935"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2019-20907"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2019-5010"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2020-14422"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2020-8492"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2021-23336"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2021-29921"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2021-3177"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2022-45061"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2023-27043"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-6232"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2024-6923"
},
{
"type": "WEB",
"url": "https://osv.dev/vulnerability/CVE-2025-59375"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-20107"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2015-2104"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16056"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-16935"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20907"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-5010"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-14422"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8492"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23336"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29921"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3177"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45061"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-27043"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6232"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-6923"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59375"
}
],
"related": [],
"schema_version": "1.7.3",
"summary": "Security fixes for CVE-2015-20107, CVE-2015-2104, CVE-2019-16056, CVE-2019-16935, CVE-2019-20907, CVE-2019-5010, CVE-2020-14422, CVE-2020-8492, CVE-2021-23336, CVE-2021-29921, CVE-2021-3177, CVE-2022-45061, CVE-2023-27043, CVE-2024-6232, CVE-2024-6923, CVE-2025-59375 applied in versions: 3.10.5-r0, 3.11.1-r0, 3.11.5-r0, 3.12.12-r0, 3.12.3-r2, 3.12.6-r0, 3.6.8-r1, 3.7.5-r0, 3.8.2-r0, 3.8.4-r0, 3.8.5-r0, 3.8.7-r2, 3.8.8-r0, 3.9.4-r0, 3.9.5-r0",
"upstream": [
"CVE-2015-20107",
"CVE-2015-2104",
"CVE-2019-16056",
"CVE-2019-16935",
"CVE-2019-20907",
"CVE-2019-5010",
"CVE-2020-14422",
"CVE-2020-8492",
"CVE-2021-23336",
"CVE-2021-29921",
"CVE-2021-3177",
"CVE-2022-45061",
"CVE-2023-27043",
"CVE-2024-6232",
"CVE-2024-6923",
"CVE-2025-59375"
]
}
CVE-2022-45061 (GCVE-0-2022-45061)
Vulnerability from cvelistv5 – Published: 2022-11-09 00:00 – Updated: 2025-11-03 21:46
VLAI?
EPSS
Summary
An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA (RFC 3490) decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor; in such a scenario, they could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied supposed hostname. For example, the attack payload could be placed in the Location header of an HTTP response with status code 302. A fix is planned in 3.11.1, 3.10.9, 3.9.16, 3.8.16, and 3.7.16.
Severity ?
7.5 (High)
CWE
- n/a
Assigner
References
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"title": "CVE Program Container"
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"metrics": [
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"attackVector": "NETWORK",
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"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
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"datePublished": "2022-11-09T00:00:00.000Z",
"dateReserved": "2022-11-09T00:00:00.000Z",
"dateUpdated": "2025-11-03T21:46:44.155Z",
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CVE-2015-20107 (GCVE-0-2015-20107)
Vulnerability from cvelistv5 – Published: 2022-04-13 00:00 – Updated: 2025-11-03 21:43
VLAI?
EPSS
Summary
In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-3177 (GCVE-0-2021-3177)
Vulnerability from cvelistv5 – Published: 2021-01-19 00:00 – Updated: 2025-12-18 15:03
VLAI?
EPSS
Summary
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.
Severity ?
9.8 (Critical)
CWE
- n/a
Assigner
References
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CVE-2021-23336 (GCVE-0-2021-23336)
Vulnerability from cvelistv5 – Published: 2021-02-15 12:15 – Updated: 2025-12-17 21:16
VLAI?
EPSS
Title
Web Cache Poisoning
Summary
The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parse_qsl and urllib.parse.parse_qs by using a vector called parameter cloaking. When the attacker can separate query parameters using a semicolon (;), they can cause a difference in the interpretation of the request between the proxy (running with default configuration) and the server. This can result in malicious requests being cached as completely safe ones, as the proxy would usually not see the semicolon as a separator, and therefore would not include it in a cache key of an unkeyed parameter.
Severity ?
CWE
- Web Cache Poisoning
Assigner
References
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|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| n/a | python/cpython |
Affected:
0 , < unspecified
(custom)
Affected: unspecified , < 3.6.13 (custom) Affected: 3.7.0 , < unspecified (custom) Affected: unspecified , < 3.7.10 (custom) Affected: 3.8.0 , < unspecified (custom) Affected: unspecified , < 3.8.8 (custom) Affected: 3.9.0 , < unspecified (custom) Affected: unspecified , < 3.9.2 (custom) |
Date Public ?
2021-02-15 00:00
Credits
Snyk Security Team
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CVE-2020-8492 (GCVE-0-2020-8492)
Vulnerability from cvelistv5 – Published: 2020-01-30 00:00 – Updated: 2024-08-04 10:03
VLAI?
EPSS
Summary
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2019-20907 (GCVE-0-2019-20907)
Vulnerability from cvelistv5 – Published: 2020-07-13 00:00 – Updated: 2024-08-05 02:53
VLAI?
EPSS
Summary
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2024-6923 (GCVE-0-2024-6923)
Vulnerability from cvelistv5 – Published: 2024-08-01 13:40 – Updated: 2025-11-03 22:32
VLAI?
EPSS
Title
Email header injection due to unquoted newlines
Summary
There is a MEDIUM severity vulnerability affecting CPython.
The
email module didn’t properly quote newlines for email headers when
serializing an email message allowing for header injection when an email
is serialized.
Severity ?
5.5 (Medium)
CWE
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.8.20
(python)
Affected: 3.9.0 , < 3.9.20 (python) Affected: 3.10.0 , < 3.10.15 (python) Affected: 3.11.0 , < 3.11.10 (python) Affected: 3.12.0 , < 3.12.5 (python) Affected: 3.13.0a1 , < 3.13.0rc2 (python) |
Credits
Petr Viktorin
Seth Larson
John Whitlock
Bas Bloemsaat
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CVE-2023-27043 (GCVE-0-2023-27043)
Vulnerability from cvelistv5 – Published: 2023-04-18 00:00 – Updated: 2025-12-17 21:28
VLAI?
EPSS
Summary
The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com addresses may be used for signup). This occurs in email/_parseaddr.py in recent versions of Python.
Severity ?
5.3 (Medium)
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2024-6232 (GCVE-0-2024-6232)
Vulnerability from cvelistv5 – Published: 2024-09-03 12:29 – Updated: 2025-11-03 22:32
VLAI?
EPSS
Title
Regular-expression DoS when parsing TarFile headers
Summary
There is a MEDIUM severity vulnerability affecting CPython.
Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.
Severity ?
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Affected:
0 , < 3.8.20
(python)
Affected: 3.9.0 , < 3.9.20 (python) Affected: 3.10.0 , < 3.10.15 (python) Affected: 3.11.0 , < 3.11.10 (python) Affected: 3.12.0 , < 3.12.6 (python) Affected: 3.13.0a1 , < 3.13.0rc2 (python) |
Credits
Elias Joakim Myllymäki
Seth Larson
Seth Larson
Gregory P. Smith
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CVE-2025-59375 (GCVE-0-2025-59375)
Vulnerability from cvelistv5 – Published: 2025-09-15 00:00 – Updated: 2025-11-04 21:13
VLAI?
EPSS
Summary
libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.
Severity ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| libexpat project | libexpat |
Affected:
0 , < 2.7.2
(semver)
|
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CVE-2020-14422 (GCVE-0-2020-14422)
Vulnerability from cvelistv5 – Published: 2020-06-18 00:00 – Updated: 2024-08-04 12:46
VLAI?
EPSS
Summary
Lib/ipaddress.py in Python through 3.8.3 improperly computes hash values in the IPv4Interface and IPv6Interface classes, which might allow a remote attacker to cause a denial of service if an application is affected by the performance of a dictionary containing IPv4Interface or IPv6Interface objects, and this attacker can cause many dictionary entries to be created. This is fixed in: v3.5.10, v3.5.10rc1; v3.6.12; v3.7.9; v3.8.4, v3.8.4rc1, v3.8.5, v3.8.6, v3.8.6rc1; v3.9.0, v3.9.0b4, v3.9.0b5, v3.9.0rc1, v3.9.0rc2.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2019-16935 (GCVE-0-2019-16935)
Vulnerability from cvelistv5 – Published: 2019-09-28 01:33 – Updated: 2024-08-05 01:24
VLAI?
EPSS
Summary
The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py in Python 2.x, and in Lib/xmlrpc/server.py in Python 3.x. If set_server_title is called with untrusted input, arbitrary JavaScript can be delivered to clients that visit the http URL for this server.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2019-5010 (GCVE-0-2019-5010)
Vulnerability from cvelistv5 – Published: 2019-10-31 20:05 – Updated: 2024-08-04 19:40
VLAI?
EPSS
Summary
An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.
Severity ?
5.9 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
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CVE-2019-16056 (GCVE-0-2019-16056)
Vulnerability from cvelistv5 – Published: 2019-09-06 17:24 – Updated: 2024-08-05 01:03
VLAI?
EPSS
Summary
An issue was discovered in Python through 2.7.16, 3.x through 3.5.7, 3.6.x through 3.6.9, and 3.7.x through 3.7.4. The email module wrongly parses email addresses that contain multiple @ characters. An application that uses the email module and implements some kind of checks on the From/To headers of a message could be tricked into accepting an email address that should be denied. An attack may be the same as in CVE-2019-11340; however, this CVE applies to Python more generally.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2021-29921 (GCVE-0-2021-29921)
Vulnerability from cvelistv5 – Published: 2021-05-06 00:00 – Updated: 2025-11-03 21:44
VLAI?
EPSS
Summary
In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||
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"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2021-29921",
"datePublished": "2021-05-06T00:00:00.000Z",
"dateReserved": "2021-04-01T00:00:00.000Z",
"dateUpdated": "2025-11-03T21:44:43.122Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2015-2104 (GCVE-0-2015-2104)
Vulnerability from cvelistv5 – Published: 2020-02-19 13:31 – Updated: 2020-02-19 13:31
VLAI?
EPSS
DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none
Show details on NVD website{
"containers": {
"cna": {
"providerMetadata": {
"dateUpdated": "2020-02-19T13:31:30.000Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"rejectedReasons": [
{
"lang": "en",
"value": "DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2015-2104",
"datePublished": "2020-02-19T13:31:30.000Z",
"dateRejected": "2020-02-19T13:31:30.000Z",
"dateReserved": "2015-02-27T00:00:00.000Z",
"dateUpdated": "2020-02-19T13:31:30.000Z",
"state": "REJECTED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.0"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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