Common Weakness Enumeration

    CWE Definition / CWE-298

    CWE-298: Improper Validation of Certificate Expiration

    A certificate expiration is not validated or is incorrectly validated.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:30 Apr 2026

    Related Weakness

    CWE-295: Improper Certificate Validation

    CWE-672: Operation on a Resource after Expiration or Release