Link following in Apex One - CVE-2021-45231

 

Link following in Apex One - CVE-2021-45231

Published: December 29, 2021 / Updated: January 6, 2022


Vulnerability identifier: #VU59108
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-45231
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Trend Micro
Affected software:
Apex One

Detailed vulnerability description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure link following. A local user can create a specially crafted symbolic link and overwrite arbitrary files with arbitrary content. Successful exploitation of the vulnerability may result in execution of arbitrary code with elevated privileges.


How to mitigate CVE-2021-45231

Install updates from vendor's website.

Sources