Home/CVE/HashiCorp Vault and Vault Enterprise versions 0.8.3 and newer, when configured with the GCP GCE auth method, may be vuln
CVE

CVE-2020-16251

HashiCorp Vault and Vault Enterprise versions 0.8.3 and newer, when configured with the GCP GCE auth method, may be vuln

HashiCorp Vault and Vault Enterprise versions 0.8.3 and newer, when configured with the GCP GCE auth method, may be vulnerable to authentication bypass. Fixed in 1.2.5, 1.3.8, 1.4.4, and 1.5.1.

HIGH · CVSS 8.2 EPSS 0.00866
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

4
hashicorp vault>= 0.8.3 and < 1.2.5
hashicorp vault>= 1.3.0 and < 1.3.8
hashicorp vault>= 1.4.0 and < 1.4.4
hashicorp vault>= 1.5.0 and < 1.5.1
▤

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 1.2.5
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Hashicorp-Vault-GCP-IAM-Integration-Authentication-Bypass...packetstormsecurity.com
◈

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

8.2
HIGH · CVSS v3.1 · cve@mitre.org
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 NVD26 Aug 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
⚑

Vendor Advisories

2
rhsaRHSA-2023:3742Moderate
rhsaRHSA-2023:2138Moderate
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/hashicorp/vault/blob/master/CHANGELOG.md#151Release NotesThird Party Advisory
https://www.hashicorp.com/blog/category/vault/ProductVendor Advisory
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