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Unrated severityNVD Advisory· Published May 5, 2006· Updated Jun 16, 2026

CVE-2006-2206

CVE-2006-2206

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.

Affected products

2
  • Ultravnc/Ultravnc2 versions
    cpe:2.3:a:ultravnc:ultravnc:1.0.1:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:ultravnc:ultravnc:1.0.1:*:*:*:*:*:*:*
    • (no CPE)range: <=1.0.1

Patches

Vulnerability mechanics

References

3

News mentions

0

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