CVE-2002-1511

critical

Description

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

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2002-1494

http://www.securityfocus.com/bid/6905

http://www.redhat.com/support/errata/RHSA-2003-068.html

http://www.redhat.com/support/errata/RHSA-2003-041.html

http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022

http://www.iss.net/security_center/static/11384.php

http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/56161

http://security.gentoo.org/glsa/glsa-200302-15.xml

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640

http://changelogs.credativ.org/debian/pool/main/v/vnc/vnc_3.3.6-3/changelog

Details

Source: Mitre, NVD

Published: 2003-03-03

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01808