SARA / Free Tools / CVE / CVE-2023-5954

CVE-2023-5954 — HashiCorp Vault and Vault Enterprise inbound client requests triggering a policy

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.

CVSS
5.9 MEDIUM
EPSS
0.52% (top 33.60%)
CWE
CWE-401
Published
2023-11-09T20:13:49.346Z
Last modified
2025-02-13T17:25:58.499Z
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

01What is this vulnerability?

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.

02Affected products

VendorProductVersions
HashiCorpVault1.15.0, 1.15.1, 1.14.3, 1.14.4, 1.14.5, 1.13.7, 1.13.8, 1.13.9
HashiCorpVault Enterprise1.15.0, 1.15.1, 1.14.3, 1.14.4, 1.14.5, 1.13.7, 1.13.8, 1.13.9

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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