Improper Authentication in Consul - CVE-2021-37219

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Main Vulnerability Database Vulnerabilities #VU56146

Improper Authentication in Consul - CVE-2021-37219

Published: August 30, 2021


Vulnerability identifier: #VU56146
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-37219
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can use a specially crafted raft requests to bypass authentication process and gain unauthorized access to the application.


Affected software

Consul
Gentoo Linux
IBM Cloud Pak for Watson AIOps

How to mitigate CVE-2021-37219

Install updates from vendor's website.

Consul - addressed in versions 1.8.15, 1.9.9, 1.10.2
IBM Cloud Pak for Watson AIOps - update to 4.1.0

External References

Related Security Bulletins