cvedb.io
CVE-2021-31337
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-06-28T13:15:20.840 · Last modified 2026-06-17T03:51:34.163

Summary

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).

Affected products

siemens — sinamics_sl150_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.