CVE-2022-41648 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Heidenhain	Tnc 640 Programming Station	340590_07
Heidenhain	Heros	5.08.3
Heidenhain	Tnc 640	-

Related Weaknesses (CWE)

CWE-1188 CWE-287

References

https://www.cisa.gov/news-events/ics-advisories/icsa-22-298-02
https://www.cisa.gov/uscert/ics/advisories/icsa-22-298-02MitigationThird Party AdvisoryUS Government Resource

FAQ

What is CVE-2022-41648?

CVE-2022-41648 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 DN...

How severe is CVE-2022-41648?

CVE-2022-41648 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-41648?

Check the references section above for vendor advisories and patch information. Affected products include: Heidenhain Tnc 640 Programming Station, Heidenhain Heros, Heidenhain Tnc 640.