CVE-2022-41648

CRITICAL

9.8

Description

The HEIDENHAIN Controller TNC 640 NC software Version 340590 07 SP5, is vulnerable to improper authentication in its DNC communication for CNC machines. Authentication is not enabled by default for DNC communication. This vulnerability may allow an attacker to deny service on the production line, steal sensitive data from the production line, and alter any products created by the production line. Note: CNC machines running the TNC 640 controller require DNC to be enabled for DNC communication to be present.

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

Published10/28/2022

Last Modified10/13/2025

Sourcenvd

Honeypot Sightings0

Affected Products

heidenhain:herosheidenhain:tnc_640heidenhain:tnc_640_programming_station

Weaknesses (CWE)

CWE-1188CWE-287

References

https://www.cisa.gov/news-events/ics-advisories/icsa-22-298-02(ics-cert@hq.dhs.gov)

https://www.cisa.gov/uscert/ics/advisories/icsa-22-298-02(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.