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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (53.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
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
- www.cisa.gov/news-events/ics-advisories/icsa-22-298-02 (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.