3.7

CVE-2025-6011: hashicorp vault Observable Discrepancy

CVSS: 3.7v3.1LowAnalyzed
AliasesCGA-5353-hx64-8mppCGA-g53x-255x-h7qpGHSA-mwgr-84fv-3jh9
Published 01-08-2025Last modified 01-08-2025
Open JSON

Vulnerability summary

CVE-2025-6011 is a low (CVSS 3.7) Observable Discrepancy vulnerability in hashicorp vault. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.5% of scored vulnerabilities.

Overall risk
15/100
0100
Low · default modelHow is this calculated?
CVSS score
3.7/10
010
Low · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 4
OPENSUSE-SU-2025:15434-1OPENSUSE-SU-2025:15460-1SUSE-SU-2025:02912-1CGA-82H4-WMG9-J326

Timeline

  1. 01-08-2025
    PublishedVulnerability first disclosed.
  2. 01-08-2025
    Last modifiedVulnerability information updated.

Description

A timing side channel in Vault and Vault Enterprise’s (“Vault”) userpass auth method allowed an attacker to distinguish between existing and non-existing users, and potentially enumerate valid usernames for Vault’s Userpass auth method. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

0.00 pp

From 0.34% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.34%

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

Chainguard6 products
  • splunk-otel-collector< 0.138.0-r0
  • splunk-otel-collector-fips< 0.138.0-r1
  • vault-1.16All versions (No fix recorded)
  • vault-1.17All versions (No fix recorded)
  • vault-1.18All versions (No fix recorded)
Hashicorp2 products
  • vaultEOL< 1.16.23 | < 1.20.1 | ≥ 1.17.0, < 1.18.12 | ≥ 1.19.0, < 1.19.7 | 1.20.0
  • vault enterprise< 1.20.1
Github.com/hashicorp1 product
  • vault< 1.20.1
Wolfi1 product
  • splunk-otel-collector< 0.138.0-r0

4 vendors · 10 products

References

5 links