GHSA-vf4w-fg7r-5v94

    Dashboard / Vulnerabilities / GHSA-vf4w-fg7r-5v94

    GHSA-vf4w-fg7r-5v94

    Published: 7 Apr 2021Last Modified: 10 Sept 2026

    Summary: Improper Certificate Validation in phpseclib

    Details: phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-30130, https://github.com/phpseclib/phpseclib/pull/1635, https://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2021-30130.yaml, https://github.com/phpseclib/phpseclib/releases/tag/2.0.31, https://github.com/phpseclib/phpseclib/releases/tag/3.0.7, https://lists.debian.org/debian-lts-announce/2022/11/msg00024.html, https://lists.debian.org/debian-lts-announce/2022/11/msg00025.html

    Affected packages

    Package

    Name: phpseclib/phpseclib

    Purl: pkg:composer/phpseclib/phpseclib

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 3.0.0
    Fixed -3.0.7

    Affected versions

    3.0.0
    3.0.1
    3.0.2
    3.0.3
    3.0.4
    3.0.5
    3.0.6

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-vf4w-fg7r-5v94 | CVE-DB