Auth bypass in Hashicorp Consul
CVE-2020-28053
HashiCorp Consul and Consul Enterprise 1.2.0 up to 1.8.5 allowed operators with operator:read ACL permissions to read the Connect CA private key configuration. Fixed in 1.6.10, 1.7.10, and 1.8.6.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.hashicorp.com/blog/category/consul (Product, Vendor Advisory)
- github.com/hashicorp/consul/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
- security.gentoo.org/glsa/202208-09 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28053?
- CVE-2020-28053 is a medium-severity vulnerability in Hashicorp Consul, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2020-11-23.
- How severe is CVE-2020-28053?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-28053 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.