Auth bypass in Hashicorp Vault
CVE-2020-16251
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.
EPSS exploit prediction
EPSS: 0.028 (86.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.028 · change: -0.001
Affected products
Weakness classification (CWE)
References
- www.hashicorp.com/blog/category/vault/ (Product, Vendor Advisory)
- github.com/hashicorp/vault/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
- packetstormsecurity.com/files/159479/Hashicorp-Vault-GCP-IAM-Integration-Authen… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16251?
- CVE-2020-16251 is a high-severity vulnerability in Hashicorp Vault, classified under Improper Authentication. CVSS score: 8.2/10. Published 2020-08-26.
- How severe is CVE-2020-16251?
- High severity. CVSS v3 base score is 8.2 out of 10.