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) when a chosen host expires, a different issue than CVE-2003-0549.
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 22
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnome:gdm:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gdm:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gdm:2.4.1.1:*:*:*:*:*:*:* | 2.4.1.1 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gdm:2.4.1.2:*:*:*:*:*:*:* | 2.4.1.2 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gdm:2.4.1.3:*:*:*:*:*:*:* | 2.4.1.3 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gdm:2.4.1.4:*:*:*:*:*:*:* | 2.4.1.4 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gdm:2.4.1.5:*:*:*:*:*:*:* | 2.4.1.5 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gdm:2.4.1.6:*:*:*:*:*:*:* | 2.4.1.6 | Vulnerable | GNOME |
| cpe:2.3:a:redhat:kdebase:2.0_beta2.45:*:i386:*:*:*:*:* | 2.0_beta2.45 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:kdebase:2.0_beta2.45:*:ppc:*:*:*:*:* | 2.0_beta2.45 | Vulnerable | Red 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:kdebase:2.2.3.1.20:*:i386:*:*:*:*:* | 2.2.3.1.20 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:kdebase:2.2.3.1.20:*:ia64:*:*:*:*:* | 2.2.3.1.20 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:kdebase:2.2.3.1.22:*:i386:*:*:*:*:* | 2.2.3.1.22 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:kdebase:2.4.0.7.13:*:i386:*:*:*:*:* | 2.4.0.7.13 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:kdebase:2.4.1.3.5:*:i386:*:*:*:*:* | 2.4.1.3.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server_ia64:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:enterprise_server_ia64:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:2.1:*:workstation_ia64:*:*:*:*:* | 2.1 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:linux_advanced_workstation:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Red 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 Lowgdm 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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2003:259 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2003:259 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2003:259 |
| Red Hat Linux 7.1 | Fixed | RHSA-2003:258 |
| Red Hat Linux 7.2 | Fixed | RHSA-2003:258 |
| Red Hat Linux 7.3 | Fixed | RHSA-2003:258 |
| Red Hat Linux 8.0 | Fixed | RHSA-2003:258 |
| Red Hat Linux 9 | Fixed | RHSA-2003:258 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2003:259 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0548
- 2026-10-03 Alias added: GHSA-g46v-gpvh-8f68
References
Sources
- CVE-2003-0548 · CVE Program
- CVE-2003-0548 · NVD
- FIRST EPSS
- GHSA-g46v-gpvh-8f68 · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0548 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences