Improper Verification of Cryptographic Signature in xml-crypto - CVE-2025-29775
Published: June 27, 2025
Vulnerability identifier: #VU111985
CSH Severity: Critical
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Red
CVE-ID: CVE-2025-29775
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Node SAML Organization
Affected software:
xml-crypto
xml-crypto
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to authentication or authorization bypass in systems that rely on xml-crypto for verifying signed XML documents. A remote attacker can bypass authentication or authorization mechanisms and modify a valid signed XML message in a way that still passes signature verification checks.
How to mitigate CVE-2025-29775
Install updates from vendor's website.
Sources
- https://github.com/node-saml/xml-crypto/commit/28f92218ecbb8dcbd238afa4efbbd50302aa9aed
- https://github.com/node-saml/xml-crypto/commit/886dc63a8b4bb5ae1db9f41c7854b171eb83aa98
- https://github.com/node-saml/xml-crypto/commit/8ac6118ee7978b46aa56b82cbcaa5fca58c93a07
- https://github.com/node-saml/xml-crypto/releases/tag/v2.1.6
- https://github.com/node-saml/xml-crypto/releases/tag/v3.2.1
- https://github.com/node-saml/xml-crypto/releases/tag/v6.0.1
- https://github.com/node-saml/xml-crypto/security/advisories/GHSA-x3m8-899r-f7c3
- https://workos.com/blog/samlstorm