VULNERABILITY INTELLIGENCE

CVE-2006-2369

CVSS score7.5 HIGH
EPSS probability92.36%
CISA KEVNot currently listed
Published2006-05-15
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:P/A:P

Description

RealVNC 4.1.1, and other products that use RealVNC such as AdderLink IP and Cisco CallManager, allows remote attackers to bypass authentication via a request in which the client specifies an insecure security type such as "Type 1 - None", which is accepted even if it is not offered by the server, as originally demonstrated using a long password.

Weakness classification

  • CWE-287: Improper Authentication

Primary references