CVE-2021-30130
HIGH7.5EPSS 0.20%php-phpseclib - security update
Published: 4/7/2021Modified: 5/27/2026
Description
phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.
Affected packages (6)
- Debian/php-phpseclibfrom 0, < 2.0.30-2
- Debian/php-phpseclibfrom 0, < 2.0.30-2~deb10u1
- Debian/php-phpseclib3from 0, < 3.0.7-1
- Debian/phpseclibfrom 0, < 1.0.19-3
- Debian/phpseclibfrom 0, < 1.0.19-3~deb10u1
- Packagist/phpseclib/phpseclib>= 3.0.0, < 3.0.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References (8)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2021-30130
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2021-30130
- WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/phpseclib/phpseclib/CVE-2021-30130.yaml
- WEBhttps://github.com/phpseclib/phpseclib/pull/1635
- WEBhttps://github.com/phpseclib/phpseclib/releases/tag/2.0.31
- WEBhttps://github.com/phpseclib/phpseclib/releases/tag/3.0.7
- WEBhttps://lists.debian.org/debian-lts-announce/2022/11/msg00024.html
- WEBhttps://lists.debian.org/debian-lts-announce/2022/11/msg00025.html