Home/CVE/HashiCorp Vault and Vault Enterprise inbound client requests triggering a policy check can lead to an unbounded consumpt
CVE

CVE-2023-5954

HashiCorp Vault and Vault Enterprise inbound client requests triggering a policy check can lead to an unbounded consumpt

HashiCorp Vault and Vault Enterprise inbound client requests triggering a policy check can lead to an unbounded consumption of memory. A large number of these requests may lead to denial-of-service. Fixed in Vault 1.15.2, 1.14.6, and 1.13.10.

MEDIUM · CVSS 5.9 EPSS 0.00644
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-401Missing Release of Memory after Effective Lifetime
CWE-401Missing Release of Memory after Effective Lifetime
▤

Affected Products & Versions

3
hashicorp vault>= 1.13.7 and < 1.13.10
hashicorp vault>= 1.14.3 and < 1.14.6
hashicorp vault>= 1.15.0 and < 1.15.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/hashicorp/vault HIGH fixed in 1.13.10
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumAzure Key Vault Modified or Deleted
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.1 · security@hashicorp.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Nov 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

2
rhsaRHSA-2024:3718Important
rhsaRHSA-2024:1383Important
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://discuss.hashicorp.com/t/hcsec-2023-33-vault-requests-triggering-policy-checks-may-lead-to-unbounded-memory-consumption/59926Vendor Advisory
https://security.netapp.com/advisory/ntap-20231227-0001/
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