CVE-2025-31335
MEDIUMOpenSAML C++ < 3.3.1 - Signed SAML Message Forgery
Title source: manualDescription
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).
References (4)
Core 4
Core References
Various Sources
https://git.shibboleth.net/view/?p=cpp-opensaml.git;a=commit;h=22a610b322e2178abd03e97cdbc8fb50b45efaee
Various Sources
https://shibboleth.atlassian.net/browse/CPPOST-126
Various Sources
https://shibboleth.net/community/advisories/secadv_20250313.txt
Scores
CVSS v3
4.0
EPSS
0.0019
EPSS Percentile
8.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-347
Status
published
Products (1)
Shibboleth/OpenSAML C++ library
< 3.3.1
Published
Mar 28, 2025
Tracked Since
Feb 18, 2026