CVE-2019-8272: Siemens Sinumerik Access mymachine/p2p

Critical severity, CVSS 9.8. EPSS: 3.9% chance of exploitation in the next 30 days.

UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.

Affected products

• Siemens Sinumerik Access mymachine/p2p: before 4.8 (fixed in 4.8)
• Siemens Sinumerik Pcu Base WIN10 Software/ipc: before 14.00 (fixed in 14.00)
• Siemens Sinumerik Pcu Base WIN7 Software/ipc: up to and including 12.01
• Uvnc Ultravnc: before 1.2.2.3 (fixed in 1.2.2.3)

Published 2019-03-08. Last modified 2026-06-17.