#VU27494 Improper Authentication in Salt - CVE-2020-11651
Published: May 4, 2020 / Updated: December 19, 2023
Vulnerability identifier: #VU27494
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2020-11651
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Salt
Salt
Software vendor:
SaltStack
SaltStack
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the salt-master process "ClearFuncs" class does not properly validate method calls. A remote non-authenticated attacker can bypass authentication process and gain access some methods without authentication. These methods can be used to retrieve user tokens from the salt master and/or run arbitrary commands on salt minion as root.
Note: this vulnerability is being actively exploited in the wild.
Remediation
Install updates from vendor's website.