What’s Vulnerable › Vulnerabilities

CVE-2021-32923

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-03 · updated 2026-06-17
• Weakness: CWE-613

Description

HashiCorp Vault and Vault Enterprise allowed the renewal of nearly-expired token leases and dynamic secret leases (specifically, those within 1 second of their maximum TTL), which caused them to be incorrectly treated as non-expiring during subsequent use. Fixed in 1.5.9, 1.6.5, and 1.7.2.

Affected products

• HashiCorp Vault: from 0.10.0 before 1.5.9; from 1.6.0 before 1.6.5; from 1.7.0 before 1.7.2 — fixed in 1.5.9, 1.6.5, 1.7.2

How to fix

Upgrade to a fixed version: HashiCorp Vault 1.5.9, 1.6.5, 1.7.2. Check the vendor advisory for mitigations.

References

• https://discuss.hashicorp.com/t/hcsec-2021-15-vault-renewed-nearly-expired-leases-with-incorrect-non-expiring-ttls/24603
• https://security.gentoo.org/glsa/202207-01
• https://www.hashicorp.com/blog/category/vault/
• https://discuss.hashicorp.com/t/hcsec-2021-15-vault-renewed-nearly-expired-leases-with-incorrect-non-expiring-ttls/24603
• https://security.gentoo.org/glsa/202207-01
• https://www.hashicorp.com/blog/category/vault/

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