Buffer overflow in Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2021-22894
Published: May 5, 2021 / Updated: February 20, 2022
Vulnerability identifier: #VU52874
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/U:Green
CVE-ID: CVE-2021-22894
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Ivanti
Affected software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Pulse Connect Secure Collaboration Suite. A remote user can trigger memory corruption and execute arbitrary code on the target system as the root user via a maliciously crafted meeting room.
How to mitigate CVE-2021-22894
Install updates from vendor's website.