OS Command Injection in Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2021-22899
Published: May 5, 2021 / Updated: February 20, 2022
Vulnerability identifier: #VU52875
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-22899
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote user can send a specially crafted request and execute arbitrary OS commands on the target system via Windows File Resource Profiles.
Affected software
Ivanti Connect Secure (formerly Pulse Connect Secure)
How to mitigate CVE-2021-22899
Install updates from vendor's website.
Ivanti Connect Secure (formerly Pulse Connect Secure) - update to 9.1R11.4