Arbitrary file upload in Ivanti Connect Secure (formerly Pulse Connect Secure) - CVE-2021-22937
Published: August 5, 2021 / Updated: August 27, 2021
Vulnerability identifier: #VU55617
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2021-22937
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Ivanti Connect Secure (formerly Pulse Connect Secure)
Ivanti Connect Secure (formerly Pulse Connect Secure)
Software vendor:
Ivanti
Ivanti
Description
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload within the administrative interface. A remote privileged user can upload a malicious archive and execute it on the server.
Note, the vulnerability is being actively exploited in the wild as of August 2021.
Remediation
Install updates from vendor's website.