CVE-2002-1511

MEDIUM 5.0CVE-2002-1511 · Published 03/03/2003 · updated 16/06/2026

In short

CVE-2002-1511 is a MEDIUM (CVSS 5.0) vulnerability affecting vnc (att), tightvnc (tightvnc).
Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
vnc att	`= 3.3.3= 3.3.3r2= 3.3.4= 3.3.5= 3.3.6`	No fix yet
tightvnc tightvnc	`= 1.2.0= 1.2.1= 1.2.2= 1.2.3= 1.2.4= 1.2.5`	No fix yet

The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.

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