Missing Authentication for Critical Function in Siemens products - CVE-2022-33138

 

Missing Authentication for Critical Function in Siemens products - CVE-2022-33138

Published: July 13, 2022 / Updated: July 14, 2022


Vulnerability identifier: #VU65263
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-33138
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
SIMATIC MV540 H
SIMATIC MV540 S
SIMATIC MV550 H
SIMATIC MV550 S
SIMATIC MV560 U
SIMATIC MV560 X
Software vendor:
Siemens

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to missing authentication for several web API endpoints. A remote attacker can read and download data from the device.


Remediation

Install updates from vendor's website.

External links