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CVE-2023-5954

Vault Requests Triggering Policy Checks May Lead To Unbounded Memory Consumption

HIGH
7.5
CVSS Score
Published: November 9, 2023 at 08:13 PM UTC
Updated: June 17, 2026 at 06:49 AM UTC
1 product affected across 1 vendorVault

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vault· Hashicorp
95%
1.13.7 ≤ v < 1.13.101.14.3 ≤ v < 1.14.61.15.0 ≤ v < 1.15.21.13.71.13.81.13.91.14.31.14.41.14.51.15.01.15.1
Affected range stops below 1.13.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.14.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.15.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://discuss.hashicorp.com/t/hcsec-2023-33-vault-requests-triggering-policy-checks-may-lead-to-unbounded-memory-consumption/59926
Source: [email protected]
https://security.netapp.com/advisory/ntap-20231227-0001/

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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