What is CVE-2023-6337?

CVE-2023-6337 is a high-severity vulnerability in Hashicorp Vault, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-12-08.

How severe is CVE-2023-6337?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-6337 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Hashicorp Vault

CVE-2023-6337

HashiCorp Vault and Vault Enterprise 1.12.0 and newer are vulnerable to a denial of service through memory exhaustion of the host when handling large unauthenticated and authenticated HTTP requests from a client. Vault will attempt to map…

EPSS: 0.010 (77.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Hashicorp Vault — versions 1.12.0
Hashicorp Vault Enterprise — versions 1.12.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-6337?: CVE-2023-6337 is a high-severity vulnerability in Hashicorp Vault, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2023-12-08.
How severe is CVE-2023-6337?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-6337 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.