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Case File

CVE-2019-8271

CRITICAL · CVSS 9.8 EPSS 8.26% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-03-08 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-8271
Severity
CRITICAL
CVSS
9.8
EPSS
8.26%

Original Filing — NVD Description

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