7.5

CVE-2023-6337: hashicorp vault

CVSS: 7.5v3.1HighModified
AliasesGHSA-6p62-6cg9-f5f5BIT-vault-2023-6337GO-2023-2399
Published 08-12-2023Last modified 13-02-2025
Open JSON

Vulnerability summary

CVE-2023-6337 is a high (CVSS 7.5) vulnerability in hashicorp vault. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.80%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-12-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

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 the request to memory, resulting in the exhaustion of available memory on the host, which may cause Vault to crash. Fixed in Vault 1.15.4, 1.14.8, 1.13.12.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.80%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.80% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.80%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hashicorp2 products
  • vault≥ 1.12.0, < 1.15.4 | ≤ 1.12.0 | ≥ 1.13.0, < 1.13.12 | ≥ 1.14.0, < 1.14.8 | ≥ 1.15.0, < 1.15.4
  • vault enterprise≥ 1.12.0, < 1.15.4
Github.com/hashicorp1 product
  • vault≥ 1.14.0, < 1.14.8 | ≥ 1.12.0, < 1.13.12 | ≥ 1.15.0, < 1.15.4

2 vendors · 3 products

References

6 links