CVEvulnerability

CVE-2022-41648

9.2 CRITICAL Published 2022-10-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-10-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 4.0 ([email protected])
9.2 CRITICAL — CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-1188, CWE-287

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.

Affected configurations

• heidenhain tnc 640 programming station 340590 07 • heidenhain heros 5.08.3

Related

Weakness · CWE (2)

  • CWE-1188 Initialization of a Resource with an Insecure Default weakness
  • CWE-287 Improper Authentication weakness

References