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TI-2002-01433 Aliases CVE-2002-1511GHSA-8xgj-c952-7qhx

The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of…

Priority LOW 26Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · None · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

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

Why it matters now

EPSS 0.01808 78th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:a:att:vnc:3.3.3:*:*:*:*:*:*:*3.3.3VulnerableAT&T
cpe:2.3:a:att:vnc:3.3.3r2:*:*:*:*:*:*:*3.3.3r2VulnerableAT&T
cpe:2.3:a:att:vnc:3.3.4:*:*:*:*:*:*:*3.3.4VulnerableAT&T
cpe:2.3:a:att:vnc:3.3.5:*:*:*:*:*:*:*3.3.5VulnerableAT&T
cpe:2.3:a:att:vnc:3.3.6:*:*:*:*:*:*:*3.3.6VulnerableAT&T
cpe:2.3:a:tightvnc:tightvnc:1.2.0:*:*:*:*:*:*:*1.2.0VulnerableTightvnc
cpe:2.3:a:tightvnc:tightvnc:1.2.1:*:*:*:*:*:*:*1.2.1VulnerableTightvnc
cpe:2.3:a:tightvnc:tightvnc:1.2.2:*:*:*:*:*:*:*1.2.2VulnerableTightvnc
cpe:2.3:a:tightvnc:tightvnc:1.2.3:*:*:*:*:*:*:*1.2.3VulnerableTightvnc
cpe:2.3:a:tightvnc:tightvnc:1.2.4:*:*:*:*:*:*:*1.2.4VulnerableTightvnc
  • cpe:2.3:a:att:vnc:3.3.3:*:*:*:*:*:*:* Versions 3.3.3 Vulnerable ·AT&T
  • cpe:2.3:a:att:vnc:3.3.3r2:*:*:*:*:*:*:* Versions 3.3.3r2 Vulnerable ·AT&T
  • cpe:2.3:a:att:vnc:3.3.4:*:*:*:*:*:*:* Versions 3.3.4 Vulnerable ·AT&T
  • cpe:2.3:a:att:vnc:3.3.5:*:*:*:*:*:*:* Versions 3.3.5 Vulnerable ·AT&T
  • cpe:2.3:a:att:vnc:3.3.6:*:*:*:*:*:*:* Versions 3.3.6 Vulnerable ·AT&T
  • cpe:2.3:a:tightvnc:tightvnc:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·Tightvnc
  • cpe:2.3:a:tightvnc:tightvnc:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·Tightvnc
  • cpe:2.3:a:tightvnc:tightvnc:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·Tightvnc
  • cpe:2.3:a:tightvnc:tightvnc:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·Tightvnc
  • cpe:2.3:a:tightvnc:tightvnc:1.2.4:*:*:*:*:*:*:* Versions 1.2.4 Vulnerable ·Tightvnc
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:tightvnc:tightvnc:1.2.5:*:*:*:*:*:*:*1.2.5VulnerableTightvnc
  • cpe:2.3:a:tightvnc:tightvnc:1.2.5:*:*:*:*:*:*:* Versions 1.2.5 Vulnerable ·Tightvnc

Remediation

Red Hat 2 advisories

  • RHSA-2003:068 Released 2003-02-26 · Red Hat rating Moderate
    vnc security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
  • RHSA-2003:041 Released 2003-02-21 · Red Hat rating Moderate
    : : : Updated VNC packages fix replay and cookie vulnerabilities
    • Red Hat Linux 7.0
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:068
Red Hat Linux 7.0Fixed RHSA-2003:041
Red Hat Linux 7.1Fixed RHSA-2003:041
Red Hat Linux 7.2Fixed RHSA-2003:041
Red Hat Linux 7.3Fixed RHSA-2003:041
Red Hat Linux 8.0Fixed RHSA-2003:041

Timeline

  1. 2026-10-02 Threatist record created from CVE-2002-1511
  2. 2026-10-03 Alias added: GHSA-8xgj-c952-7qhx

References

Patch 1

Advisory 6

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences