Improper Authentication in Consul - CVE-2021-37219
Published: August 30, 2021
Vulnerability identifier: #VU56146
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-37219
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: HashiCorp
Affected software:
Consul
Consul
Detailed vulnerability description
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.
How to mitigate CVE-2021-37219
Install updates from vendor's website.