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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSiemens Sinumerik Access Mymachine\/p2p
APPSiemens< 4.8Siemens Sinumerik Pcu Base Win10 Software\/ipc
APPSiemens< 14.00Siemens Sinumerik Pcu Base Win7 Software\/ipc
APPSiemens≤ 12.01Uvnc Ultravnc
APPUvnc< 1.2.2.3
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CHECK WITH VENDOR
No clear patch data available. Check vendor references.
Tags
RCE
References
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