VULNERABILITY INTELLIGENCE

CVE-2019-3465

CVSS score8.8 HIGH
EPSS probability2.99%
CISA KEVNot currently listed
Published2019-11-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

Weakness classification

  • CWE-347: Improper Verification of Cryptographic Signature

Primary references