Security Advisory
CVE-2021-31337
9.8
CRITICAL
Vulnerability Description
The Telnet service of the SIMATIC HMI Comfort Panels system component in affected products does not require authentication, which may allow a remote attacker to gain access to the device if the service is enabled. Telnet is disabled by default on the SINAMICS Medium Voltage Products (SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versions).
Published Date
June 28, 2021
Official Source
NIST NVD Advisory