CVE-2025-31335
opensaml - security update
4.0
MEDIUM
CVSS 3.1
EPSS 0.11%
Description
The OpenSAML C++ library before 3.3.1 allows forging of signed SAML messages via parameter manipulation (when using SAML bindings that rely on non-XML signatures).
How to fix CVE-2025-31335
To remediate CVE-2025-31335, upgrade the affected package to a fixed version below.
- Debian/opensaml—upgrade to 3.2.0-2+deb11u1 or later
- —upgrade to 3.2.0-2+deb11u1 or later
- —upgrade to 3.2.1-3+deb12u1 or later
Is CVE-2025-31335 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 3.2.0-2+deb11u1
- from 0, < 3.2.0-2+deb11u1
- from 0, < 3.2.1-3+deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N |