#VU107998 Improper Verification of Cryptographic Signature in OpenSAML - CVE-2025-31335

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Main Vulnerability Database Vulnerabilities #VU107998

#VU107998 Improper Verification of Cryptographic Signature in OpenSAML - CVE-2025-31335

Published: April 28, 2025


Vulnerability identifier: #VU107998
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-31335
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSAML
Software vendor:
Shibboleth

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to improper validation of signed SAML messages. A remote attacker can manipulate SAML parameters and fool the library's signature verification of non-XML based signed messages.


Remediation

Install updates from vendor's website.

External links