VULNERABILITY INTELLIGENCE

CVE-2017-16853

CVSS score8.1 HIGH
EPSS probability1.40%
CISA KEVNot currently listed
Published2017-11-16
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp in OpenSAML-C in OpenSAML before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka CPPOST-105.

Weakness classification

  • CWE-347: Improper Verification of Cryptographic Signature

Primary references