CVE-2006-6981: 3proxy

Medium severity, CVSS 5.0. EPSS: 1.3% chance of exploitation in the next 30 days.

3proxy 0.5 to 0.5.2, when NT-encoded passwords are being used, allows remote attackers to cause a denial of service (blocked account) via unspecified vectors related to NTLM authentication, which causes a password hash to be overwritten.

Affected products

• 3proxy 3proxy: version 0.5 only; version 0.5.1 only; version 0.5.2 only

Published 2007-02-08. Last modified 2026-06-16.