CVE-2024-43781: Siemens Sinumerik 828d v4

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINUMERIK 828D V4 (All versions < V4.95 SP3), SINUMERIK 840D sl V4 (All versions < V4.95 SP3 in connection with using Create MyConfig (CMC) <= V4.8 SP1 HF6), SINUMERIK ONE (All versions < V6.23 in connection with using Create MyConfig (CMC) <= V6.6), SINUMERIK ONE (All versions < V6.15 SP4 in connection with using Create MyConfig (CMC) <= V6.6). Affected systems, that have been provisioned with Create MyConfig (CMC), contain a Insertion of Sensitive Information into Log File vulnerability. This could allow a local authenticated user with low privileges to read sensitive information and thus circumvent access restrictions.

Affected products

• Siemens Sinumerik 828d v4: before V4.95 SP3 (fixed in V4.95 SP3)
• Siemens Sinumerik 840d Sl v4: before V4.95 SP3 (fixed in V4.95 SP3)
• Siemens Sinumerik One: before V6.23 (fixed in V6.23); before V6.15 SP4 (fixed in V6.15 SP4)

Published 2024-09-10. Last modified 2026-06-17.