by Kastro
Paper/Archive/CVE-2022-41648

CVE-2022-41648

HEIDENHAIN HEIDENHAIN Controller TNC 640 NC Software — The HEIDENHAIN Controller TNC 640 NC software Version 340590 07 SP5, is vulnerable to improper authentication in its DNC communication fo…

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
41
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 58.8.588 × 2011.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
HEIDENHAIN Controller TNC 640 NC Software340590 07 SP5–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)9.2CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refcisa.gov/news-events/ics-advisories/icsa-22-298-02refcisa.gov/uscert/ics/advisories/icsa-22-298-02