Unrated severityNVD Advisory· Published Dec 11, 2002· Updated Jun 16, 2026
CVE-2002-1336
CVE-2002-1336
Description
TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:tightvnc:tightvnc:1.2.0:*:*:*:*:*:*:*+ 5 more
- cpe:2.3:a:tightvnc:tightvnc:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:tightvnc:tightvnc:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:tightvnc:tightvnc:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:tightvnc:tightvnc:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:tightvnc:tightvnc:1.2.5:*:*:*:*:*:*:*
- (no CPE)range: <1.2.6
Patches
Vulnerability mechanics
References
9- distro.conectiva.com.br/atualizacoes/nvd
- marc.infonvd
- marc.infonvd
- www.mandrakesoft.com/security/advisoriesnvd
- www.redhat.com/support/errata/RHSA-2002-287.htmlnvd
- www.redhat.com/support/errata/RHSA-2003-041.htmlnvd
- www.securityfocus.com/bid/5296nvd
- www.tightvnc.com/WhatsNew.txtnvd
- exchange.xforce.ibmcloud.com/vulnerabilities/5992nvd
News mentions
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