CVE-2024-2660: Vault TLS Cert Auth Method Did Not Correctly Validate OCSP Responses

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-04 · updated 2026-06-17
Weakness: CWE-636

Description

Vault and Vault Enterprise TLS certificates auth method did not correctly validate OCSP responses when one or more OCSP sources were configured. This vulnerability, CVE-2024-2660, affects Vault and Vault Enterprise 1.14.0 and above, and is fixed in Vault 1.16.0 and Vault Enterprise 1.16.1, 1.15.7, and 1.14.11.

Affected products

HashiCorp Vault: from 1.14.0 before 1.14.11; from 1.14.0 before 1.16.0; from 1.15.0 before 1.15.7 — fixed in 1.14.11, 1.15.7, 1.16.0

How to fix

Upgrade to a fixed version: HashiCorp Vault 1.14.11, 1.15.7, 1.16.0. Check the vendor advisory for mitigations.

References

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