VULNERABILITY INTELLIGENCE
CVE-2006-2206
CVSS score10 HIGH
EPSS probability2.19%
CISA KEVNot currently listed
Published2006-05-05
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Description
The MS-Logon authentication scheme in UltraVNC (aka Ultr@VNC) 1.0.1 uses weak encryption (XOR) for challenge/response, which allows remote attackers to gain privileges by sniffing and decrypting passwords.