Information disclosure in SIMATIC PCS 7 and Siemens SIMATIC WinCC - CVE-2021-40360
Published: February 11, 2022
Vulnerability identifier: #VU60534
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-40360
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
SIMATIC PCS 7
Siemens SIMATIC WinCC
SIMATIC PCS 7
Siemens SIMATIC WinCC
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote authenticated attacker can brute force the password hash and use it to login to the server.
How to mitigate CVE-2021-40360
Install updates from vendor's website.