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Vulnerabilities

CVE-2020-37134 | BDVDB-2026-313974 Detail

UltraVNC TeamUltraVNC Viewer

Description#

UltraVNC Viewer 1.2.4.0 contains a denial of service vulnerability that allows attackers to crash the application by manipulating VNC Server input. Attackers can generate a malformed 256-byte payload and paste it into the VNC Server connection dialog to trigger an application crash.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

  • CWE-770 Allocation of Resources Without Limits or Throttling

References#

Exploit#

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.