CVE-2023-52892

PoC —

CVSS 3.1

7.5 high

EPSS

<1%p31

Published

Jun 27, 2024 (Jun 27, 2024)

Modified

Jun 17, 2026

Description

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.

Vendors: phpseclib
Products: phpseclib
Weakness: CWE-436
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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