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Vulnerability details: VCID-xrdr-xpgt-qqfy
Vulnerability ID VCID-xrdr-xpgt-qqfy
Aliases CVE-2023-52892
GHSA-ff7q-6vwh-v9m4
Summary Name confusion in x509 Subject Alternative Name fields In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-436 Interpretation Conflict
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00135 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00154 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00154 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00154 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00154 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00154 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00154 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
epss 0.00279 https://api.first.org/data/v1/epss?cve=CVE-2023-52892
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-ff7q-6vwh-v9m4
cvssv3.1 7.5 https://github.com/phpseclib/phpseclib
generic_textual HIGH https://github.com/phpseclib/phpseclib
cvssv3.1 7.5 https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
generic_textual HIGH https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
ssvc Track https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
cvssv3.1 7.5 https://github.com/phpseclib/phpseclib/issues/1943
generic_textual HIGH https://github.com/phpseclib/phpseclib/issues/1943
ssvc Track https://github.com/phpseclib/phpseclib/issues/1943
cvssv3.1 7.5 https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
generic_textual HIGH https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
ssvc Track https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
cvssv3.1 7.5 https://github.com/x509-name-testing/name_testing_artifacts
generic_textual HIGH https://github.com/x509-name-testing/name_testing_artifacts
ssvc Track https://github.com/x509-name-testing/name_testing_artifacts
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2023-52892
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2023-52892
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2023-52892
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52892
https://github.com/phpseclib/phpseclib
https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
https://github.com/phpseclib/phpseclib/issues/1943
https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
https://github.com/x509-name-testing/name_testing_artifacts
https://nvd.nist.gov/vuln/detail/CVE-2023-52892
GHSA-ff7q-6vwh-v9m4 https://github.com/advisories/GHSA-ff7q-6vwh-v9m4
USN-7404-1 https://usn.ubuntu.com/7404-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/phpseclib/phpseclib
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-08-21T19:54:11Z/ Found at https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/phpseclib/phpseclib/issues/1943
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-08-21T19:54:11Z/ Found at https://github.com/phpseclib/phpseclib/issues/1943
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-08-21T19:54:11Z/ Found at https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://github.com/x509-name-testing/name_testing_artifacts
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-08-21T19:54:11Z/ Found at https://github.com/x509-name-testing/name_testing_artifacts
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-52892
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.33992
EPSS Score 0.00135
Published At Aug. 6, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:34:58.483890+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/06/GHSA-ff7q-6vwh-v9m4/GHSA-ff7q-6vwh-v9m4.json 37.0.0