CVE-2021-31337

CRITICAL

9.8

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).

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/28/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

siemens:sinamics_sl150siemens:sinamics_sl150_firmwaresiemens:sinamics_sm150siemens:sinamics_sm150_firmwaresiemens:sinamics_sm150isiemens:sinamics_sm150i_firmware

Weaknesses (CWE)

CWE-306

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04(productcert@siemens.com)

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-04(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.