Security readout for executives and security teams
This is an old GDM denial-of-service issue. If XDMCP is enabled, a malformed short authorization key name can crash the display manager daemon, disrupting graphical login service. The sources do not show data theft, privilege escalation, or active exploitation. Exposure is most likely on legacy Linux systems running GDM before 2.4.1.6 with XDMCP enabled and reachable by untrusted networks. Treat this as a legacy exposure cleanup item unless XDMCP is internet-facing or supports critical remote access. Priority rises where old Linux desktops or terminal services remain operational. Mitigation focus: Apply relevant vendor updates from Red Hat, Conectiva, or your distribution.; Upgrade GDM to 2.4.1.6 or later where applicable.; Disable XDMCP if remote graphical login is not required..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2003-0549 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:129CVE reference · vdb-entry, signature
Products and packages named in the record
CWE details
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