CVE-2023-52892

highpriority · track · 0EPSS 0.004 · 31 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.38% (31st) EPSS

CVSS 7.5 · high

Is it mine?

7 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondaryexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-436USCWE-436US

affected products (7)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
phpseclib phpseclib1.0.0 → 1.0.22nvdUScpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*
phpseclib phpseclib2.0.0 → 2.0.46nvdUScpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*
phpseclib phpseclib3.0.0 → 3.0.33nvdUScpe:2.3:a:phpseclib:phpseclib:*:*:*:*:*:*:*:*
Packagist phpseclib/phpseclib< 1.0.22osvUSpkg:composer/phpseclib/phpseclib
Packagist phpseclib/phpseclib2.0.0 → 2.0.46osvUSpkg:composer/phpseclib/phpseclib
Packagist phpseclib/phpseclib3.0.0 → 3.0.33osvUSpkg:composer/phpseclib/phpseclib

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-ff7q-6vwh-v9m4Name confusion in x509 Subject Alternative Name fields2024-06-28ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2024-06-27modified 2026-06-17

references (13)

External citations — patches, advisories, analysis.

scry

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