Improper Certificate Validation in SINUMERIK Edge - CVE-2021-42027
Published: January 5, 2022
Vulnerability identifier: #VU59232
CSH Severity: Medium
CVSS v4: 9.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42027
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper certificate validation when initiating a TLS connection. A remote attacker can interfere in the communication path between the client and the intended server and spoof a trusted entity.
Affected software
SINUMERIK Edge
How to mitigate CVE-2021-42027
Install updates from vendor's website.
SINUMERIK Edge - update to 3.2