Path traversal in Siemens COMOS - CVE-2021-37196
Published: January 18, 2022
Vulnerability identifier: #VU59670
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-37196
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
Siemens COMOS
Siemens COMOS
Detailed vulnerability description
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 the COMOS Web component. A remote authenticated attacker can send a specially crafted HTTP request and store files in any folder.
How to mitigate CVE-2021-37196
Install update from vendor's website.