What is CVE-2022-41648?

CVE-2022-41648 is a critical-severity vulnerability in Heidenhain Controller Tnc 640 Nc Software, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2022-10-28.

How severe is CVE-2022-41648?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Heidenhain Controller Tnc 640 Nc Software

CVE-2022-41648

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.

EPSS: 0.007 (49.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Heidenhain Controller Tnc 640 Nc Software — versions 340590 07 SP5
Heidenhain Heros — versions 5.08.3
Heidenhain Tnc_640
Heidenhain Tnc_640_programming_station — versions 340590_07

Weakness classification (CWE)

References

ics-cert@hq.dhs.gov (government-resource)
af854a3a-2127-422b-91ae-364da2661108 (Mitigation, Third Party Advisory, US Government Resource)

Frequently asked questions

What is CVE-2022-41648?: CVE-2022-41648 is a critical-severity vulnerability in Heidenhain Controller Tnc 640 Nc Software, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2022-10-28.
How severe is CVE-2022-41648?: Critical severity. CVSS v3 base score is 9.8 out of 10.