Home/CVE/Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when
CVE

CVE-2024-2048

Vault and Vault Enterprise (“Vault”) TLS certificate auth method did not correctly validate client certificates when

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. In this configuration, an attacker may be able to craft a malicious certificate that could be used to bypass authentication. Fixed in Vault 1.15.5 and 1.14.10.

HIGH · CVSS 8.1 EPSS 0.00253
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

3
hashicorp vault< 1.14.10
hashicorp vault>= 1.15.0 and < 1.15.5
openbao< 2.0.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/hashicorp/vault HIGH fixed in 1.15.5
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumAzure Key Vault Modified or Deleted
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Scoring & Timeline

8.1
HIGH · CVSS v3.1 · security@hashicorp.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Mar 2024 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://discuss.hashicorp.com/t/hcsec-2024-05-vault-cert-auth-method-did-not-correctly-validate-non-ca-certificates/63382Vendor Advisory
https://security.netapp.com/advisory/ntap-20240524-0009/Third Party Advisory
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