VYPR

CWE-324

Use of a Key Past its Expiration Date

BaseDraftLikelihood: Low

Description

The product uses a cryptographic key or password past its expiration date, which diminishes its safety significantly by increasing the timing window for cracking attacks against that key.

While the expiration of keys does not necessarily ensure that they are compromised, it is a significant concern that keys which remain in use for prolonged periods of time have a decreasing probability of integrity. For this reason, it is important to replace keys within a period of time proportional to their strength.

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CVEs mapped to this weakness (26)

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  • CVE-2026-54787LowJul 31, 2026
    risk 0.13cvss 3.1epss 0.00

    sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.1, sigstore-go does not check a bundle signing timestamp against the validity window of an ExpiringKey wrapping a self-managed long-lived signing key without a certificate, which can allow an…

  • CVE-2026-39923HigAug 5, 2026
    risk 0.00cvss 8.1epss 0.00

    Flarum before 1.8.16 contains a password reset token expiry bypass vulnerability that allows unauthenticated attackers to reuse expired password reset tokens by submitting them directly to the reset processing endpoint. The SavePasswordController::handle() method calls…

  • CVE-2025-31123HigMar 31, 2025
    risk 0.00cvss 8.7epss 0.00

    Zitadel is open-source identity infrastructure software. A vulnerability existed where expired keys can be used to retrieve tokens. Specifically, ZITADEL fails to properly check the expiration date of the JWT key when used for Authorization Grants. This allows an attacker with…

  • CVE-2024-25679MedFeb 9, 2024
    risk 0.00cvss 6.5epss 0.00

    In PQUIC before 5bde5bb, retention of unused initial encryption keys allows attackers to disrupt a connection with a PSK configuration by sending a CONNECTION_CLOSE frame that is encrypted via the initial key computed. Network traffic sniffing is needed as part of exploitation.

  • CVE-2013-2104Jan 21, 2014
    risk 0.00cvss epss 0.02

    python-keystoneclient before 0.2.4, as used in OpenStack Keystone (Folsom), does not properly check expiry for PKI tokens, which allows remote authenticated users to (1) retain use of a token after it has expired, or (2) use a revoked token once it expires.

  • CVE-2012-5563Dec 18, 2012
    risk 0.00cvss epss 0.03

    OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating new tokens through token chaining. NOTE: this issue exists because of a…