Path traversal in Yokogawa products - CVE-2022-21177

 

Path traversal in Yokogawa products - CVE-2022-21177

Published: March 29, 2022


Vulnerability identifier: #VU61679
CSH Severity: Medium
CVSS v4: 7.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-21177
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in CAMS for HIS Log Server. A remote user can send a specially crafted HTTP request and create or overwritte arbitrary files on the system.


Affected software

CENTUM VP Entry Class
CENTUM CS 3000 Entry Class
CENTUM VP
CENTUM CS 3000
Exaopc

How to mitigate CVE-2022-21177

Install updates from vendor's website.

CENTUM VP Entry Class - update to R6.09
CENTUM VP - update to R6.09
Exaopc - update to R3.80

External References

Related Security Bulletins