Arbitrary file upload in Remote Access Server (RAS) - CVE-2022-40981

 

Arbitrary file upload in Remote Access Server (RAS) - CVE-2022-40981

Published: November 7, 2022


Vulnerability identifier: #VU68977
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2022-40981
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.


Affected software

Remote Access Server (RAS)

How to mitigate CVE-2022-40981

Install updates from vendor's website.

Remote Access Server (RAS) - update to 4.7

External References

Related Security Bulletins