CVE-2021-31337

State: Published
Severity: Not scored
Published: Jun 28, 2021
Updated: Aug 3, 2024
Reserved: Apr 15, 2021

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).

Scores

The record has no CVSS score.

Weaknesses

CWE-306 MISSING AUTHENTICATION FOR CRITICAL FUNCTION CWE-306

Affected Products

Product	Versions
SINAMICS Medium Voltage Productsn/a	SINAMICS SL150: All versions, SINAMICS SM150: All versions, SINAMICS SM150i: All versionsAffected

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.