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TI-2003-00517 Aliases CVE-2003-0549GHSA-6576-m4v8-mjf3

The X Display Manager Control Protocol (XDMCP) support for GDM before 2.4.1.6 allows…

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
None · None · Partial
Fix status
Fixed

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

Summary

The X Display Manager Control Protocol (XDMCP) support for GDM before 2.4.1.6 allows attackers to cause a denial of service (daemon crash) via a short authorization key name.

Why it matters now

EPSS 0.01467 73rd 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 · 22

CPEVersionsRoleVendor
cpe:2.3:a:gnome:gdm:2.2.0:*:*:*:*:*:*:*2.2.0VulnerableGNOME
cpe:2.3:a:gnome:gdm:2.4.1:*:*:*:*:*:*:*2.4.1VulnerableGNOME
cpe:2.3:a:gnome:gdm:2.4.1.1:*:*:*:*:*:*:*2.4.1.1VulnerableGNOME
cpe:2.3:a:gnome:gdm:2.4.1.2:*:*:*:*:*:*:*2.4.1.2VulnerableGNOME
cpe:2.3:a:gnome:gdm:2.4.1.3:*:*:*:*:*:*:*2.4.1.3VulnerableGNOME
cpe:2.3:a:gnome:gdm:2.4.1.4:*:*:*:*:*:*:*2.4.1.4VulnerableGNOME
cpe:2.3:a:gnome:gdm:2.4.1.5:*:*:*:*:*:*:*2.4.1.5VulnerableGNOME
cpe:2.3:a:gnome:gdm:2.4.1.6:*:*:*:*:*:*:*2.4.1.6VulnerableGNOME
cpe:2.3:a:redhat:kdebase:2.0_beta2.45:*:i386:*:*:*:*:*2.0_beta2.45VulnerableRed Hat
cpe:2.3:a:redhat:kdebase:2.0_beta2.45:*:ppc:*:*:*:*:*2.0_beta2.45VulnerableRed Hat
  • cpe:2.3:a:gnome:gdm:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·GNOME
  • cpe:2.3:a:gnome:gdm:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·GNOME
  • cpe:2.3:a:gnome:gdm:2.4.1.1:*:*:*:*:*:*:* Versions 2.4.1.1 Vulnerable ·GNOME
  • cpe:2.3:a:gnome:gdm:2.4.1.2:*:*:*:*:*:*:* Versions 2.4.1.2 Vulnerable ·GNOME
  • cpe:2.3:a:gnome:gdm:2.4.1.3:*:*:*:*:*:*:* Versions 2.4.1.3 Vulnerable ·GNOME
  • cpe:2.3:a:gnome:gdm:2.4.1.4:*:*:*:*:*:*:* Versions 2.4.1.4 Vulnerable ·GNOME
  • cpe:2.3:a:gnome:gdm:2.4.1.5:*:*:*:*:*:*:* Versions 2.4.1.5 Vulnerable ·GNOME
  • cpe:2.3:a:gnome:gdm:2.4.1.6:*:*:*:*:*:*:* Versions 2.4.1.6 Vulnerable ·GNOME
  • cpe:2.3:a:redhat:kdebase:2.0_beta2.45:*:i386:*:*:*:*:* Versions 2.0_beta2.45 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:kdebase:2.0_beta2.45:*:ppc:*:*:*:*:* Versions 2.0_beta2.45 Vulnerable ·Red Hat
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:redhat:kdebase:2.2.3.1.20:*:i386:*:*:*:*:*2.2.3.1.20VulnerableRed Hat
cpe:2.3:a:redhat:kdebase:2.2.3.1.20:*:ia64:*:*:*:*:*2.2.3.1.20VulnerableRed Hat
cpe:2.3:a:redhat:kdebase:2.2.3.1.22:*:i386:*:*:*:*:*2.2.3.1.22VulnerableRed Hat
cpe:2.3:a:redhat:kdebase:2.4.0.7.13:*:i386:*:*:*:*:*2.4.0.7.13VulnerableRed Hat
cpe:2.3:a:redhat:kdebase:2.4.1.3.5:*:i386:*:*:*:*:*2.4.1.3.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:*2.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server_ia64:*:*:*:*:*2.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:*2.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server_ia64:*:*:*:*:*2.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:*2.1VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation_ia64:*:*:*:*:*2.1VulnerableRed Hat
cpe:2.3:o:redhat:linux_advanced_workstation:2.1:*:*:*:*:*:*:*2.1VulnerableRed Hat
  • cpe:2.3:a:redhat:kdebase:2.2.3.1.20:*:i386:*:*:*:*:* Versions 2.2.3.1.20 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:kdebase:2.2.3.1.20:*:ia64:*:*:*:*:* Versions 2.2.3.1.20 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:kdebase:2.2.3.1.22:*:i386:*:*:*:*:* Versions 2.2.3.1.22 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:kdebase:2.4.0.7.13:*:i386:*:*:*:*:* Versions 2.4.0.7.13 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:kdebase:2.4.1.3.5:*:i386:*:*:*:*:* Versions 2.4.1.3.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server_ia64:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server_ia64:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation_ia64:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:linux_advanced_workstation:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Red Hat

Remediation

Red Hat 2 advisories

  • RHSA-2003:258 Released 2003-08-21 · Red Hat rating Low
    : GDM allows local user to read any file.
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0
    • Red Hat Linux 9
  • RHSA-2003:259 Released 2003-08-21 · Red Hat rating Low
    gdm security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Enterprise Linux ES version 2.1
    • Red Hat Enterprise Linux WS version 2.1
    • Red Hat Linux Advanced Workstation 2.1

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:259
Red Hat Enterprise Linux ES version 2.1Fixed RHSA-2003:259
Red Hat Enterprise Linux WS version 2.1Fixed RHSA-2003:259
Red Hat Linux 7.1Fixed RHSA-2003:258
Red Hat Linux 7.2Fixed RHSA-2003:258
Red Hat Linux 7.3Fixed RHSA-2003:258
Red Hat Linux 8.0Fixed RHSA-2003:258
Red Hat Linux 9Fixed RHSA-2003:258
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2003:259

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0549
  2. 2026-10-03 Alias added: GHSA-6576-m4v8-mjf3

References

Patch 2

Advisory 1

Other 2

Sources

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