CVE-2021-30130
php-phpseclib - security update
7.5
HIGH
CVSS 3.1
EPSS 0.20%
Description
phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.
How to fix CVE-2021-30130
To remediate CVE-2021-30130, upgrade the affected package to a fixed version below.
- Debian/php-phpseclib—upgrade to 2.0.30-2 or later
- Debian/php-phpseclib—upgrade to 2.0.30-2~deb10u1 or later
- —upgrade to 3.0.7-1 or later
- —upgrade to 1.0.19-3 or later
- —upgrade to 1.0.19-3~deb10u1 or later
- —upgrade to 3.0.7 or later
Is CVE-2021-30130 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 2.0.30-2
- from 0, < 2.0.30-2~deb10u1
- from 0, < 3.0.7-1
- from 0, < 1.0.19-3
- from 0, < 1.0.19-3~deb10u1
- >= 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 |