CVE-2025-6004: HashiCorp Vault · Improper Restriction of Excessive Authentication Attempts
Affects HashiCorp VaultSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium · fixed in 1.20.1 : update HashiCorp Vault when convenient.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.20.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 1 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| HashiCorp Vault | Affected
| Fixed in– |
AI-suggested
Upgrade to Vault Community Edition 1.20.1 or later, or Vault Enterprise editions 1.20.1, 1.19.7, 1.18.12, or 1.16.23 or later where the issue is fixed. No other mitigation or temporary workaround is indicated in the provided data.
Description
CVE-2025-6004 is a medium severity vulnerability in HashiCorp Vault affecting the user lockout feature for Userpass and LDAP authentication methods. This flaw allows bypassing the lockout mechanism designed to restrict excessive authentication attempts. The issue is fixed in Vault Community Edition 1.20.1 and Vault Enterprise versions 1.20.1, 1.19.7, 1.18.12, and 1.16.23.