CVE-2019-8269: Siemens Sinumerik Access mymachine/p2p

High severity, CVSS 7.5. EPSS: 5.7% chance of exploitation in the next 30 days.

UltraVNC revision 1206 has stack-based Buffer overflow vulnerability in VNC client code inside FileTransfer module, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1207.

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.