Medium severity4.9NVD Advisory· Published Dec 17, 2021· Updated Jun 17, 2026
CVE-2021-45042
CVE-2021-45042
Description
In HashiCorp Vault and Vault Enterprise before 1.7.7, 1.8.x before 1.8.6, and 1.9.x before 1.9.1, clusters using the Integrated Storage backend allowed an authenticated user (with write permissions to a kv secrets engine) to cause a panic and denial of service of the storage backend. The earliest affected version is 1.4.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*+ 4 more
- cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*range: >=1.4.0,<1.7.7
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*range: >=1.4.0,<1.7.7
- cpe:2.3:a:hashicorp:vault:1.9.0:*:*:*:-:*:*:*
- cpe:2.3:a:hashicorp:vault:1.9.0:*:*:*:enterprise:*:*:*
- (no CPE)range: 1.4.0 - 1.7.6, 1.8.0 - 1.8.5, 1.9.0
- HashiCorp/Vault and Vault Enterprisedescription
Patches
Vulnerability mechanics
References
3- discuss.hashicorp.com/t/hcsec2-21-33-vault-s-kv-secrets-engine-with-integrated-storage-exposed-to-authenticated-denial-of-service/33157nvdVendor Advisory
- security.gentoo.org/glsa/202207-01nvdThird Party Advisory
- www.hashicorp.com/blog/category/vaultnvdProductVendor Advisory
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