Auth bypass in Hashicorp Consul
CVE-2021-38698
HashiCorp Consul and Consul Enterprise 1.10.1 Txn.Apply endpoint allowed services to register proxies for other services, enabling access to service traffic. Fixed in 1.8.15, 1.9.9 and 1.10.2.
Vulnerability class: Broken Access Control
EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.
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.
Affected products
- Hashicorp Consul
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2021-38698?
- CVE-2021-38698 is a medium-severity vulnerability in Hashicorp Consul, classified under Missing Authorization. CVSS score: 6.5/10. Published 2021-09-07.
- How severe is CVE-2021-38698?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-38698 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.