#VU50981 OS Command Injection in Salt - CVE-2021-3197
Published: February 28, 2021
Vulnerability identifier: #VU50981
Vulnerability risk: High
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:U/U:Amber
CVE-ID: CVE-2021-3197
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Salt
Salt
Software vendor:
SaltStack
SaltStack
Description
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the salt-api ssh client. A remote attacker can include the ProxyCommand in an argument, or via ssh_options provided in an API request and execute arbitrary commands on the system.
Remediation
Install updates from vendor's website.