CVE-2021-31337

CRITICAL Year: 2021
CVSS v3 Score
9.8
Critical
CVSS v2 Score
6.8
Medium
Weakness Type
CWE-306
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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).

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