VULNERABILITY INTELLIGENCE

CVE-2019-8273

CVSS score9.8 CRITICAL
EPSS probability8.26%
CISA KEVNot currently listed
Published2019-03-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

UltraVNC revision 1211 has a heap buffer overflow vulnerability in VNC server code inside file transfer request handler, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.

Weakness classification

  • CWE-122: Heap-based Buffer Overflow
  • CWE-787: Out-of-bounds Write

Primary references