CVE-2025-6037

mediumpriority · track · 0EPSS 0.003 · 17 %ileDEEURUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.26% (17th) EPSS
CVSS 6.8 · medium
Is it mine?
35 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.8mediumAV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Hsecondary · security@hashicorp.comexploitability 0.9 · impact 5.9
v3.16.8mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:Hsecondary · OSV
v3.16.2mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USCWE-295USCWE-295US
04

affected products (35)

Products and version ranges known to be affected.

showing 20 of 35
05

advisories (4)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2025-1702Hashicorp Vault Community und Enterprise: Mehrere SchwachstellenDeutsch2025-08-03csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Hashicorp Vault ausnutzen, um erhöhte Rechte zu erlangen, Sicherheitsmaßnahmen zu umgehen, beliebigen Code auszuführen und vertrauliche Informationen preiszugeben.

  • GHSA-6c5r-4wfc-3mcxHashicorp Vault has Incorrect Validation for Non-CA Certificates2025-08-01ghsa · osvUS

    Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

  • BIT-vault-2025-6037Vault Certificate Auth Method Did Not Validate Common Name For Non-CA Certificates2025-08-05vendor · osvUS

    Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when configured with a non-CA certificate as [+trusted certificate+|https://developer.hashicorp.com/vault/api-docs/auth/cert#certificate]. In this configuration, an attacker may be able to craft a malicious certificate that could be used to impersonate another user. Fixed in Vault Community Edition 1.20.1 and Vault Enterprise 1.20.1, 1.19.7, 1.18.12, and 1.16.23.

  • GO-2025-3836Hashicorp Vault has Incorrect Validation for Non-CA Certificates in github.com/hashicorp/vault2025-08-11vendor · osvUS

    Hashicorp Vault has Incorrect Validation for Non-CA Certificates in github.com/hashicorp/vault

06

also known as (7)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvcert_bundNVDCVE.orgMITRE
published 2025-08-01modified 2026-06-17
08

references (3)

External citations — patches, advisories, analysis.

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