CVE-2000-0491

Caldera Gdm — NVD-CWE-Other

EPSS 6.9%
  • Published: 2000-05-24T04:00:00.000
  • Last modified: 2025-04-03T01:03:51.193
  • Vendors: Caldera, Gnome
  • Products: Gdm, Openlinux
  • CWE: NVD-CWE-Other

Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.

Related CVE by CWE

No related CWE found.

Top CVE for Vendor

  1. CVE-1999-0043 (CVSS 9.8)
  2. CVE-1999-0002 (no score)
  3. CVE-1999-0879 (no score)
  4. CVE-1999-1288 (no score)
  5. CVE-1999-0880 (no score)
  6. CVE-1999-0234 (no score)
  7. CVE-2000-0370 (no score)
  8. CVE-2000-0369 (no score)
  9. CVE-1999-0130 (no score)
  10. CVE-1999-0368 (no score)

Recently Exploited Similar Vulnerabilities

No recent KEV-listed items for this vendor/product.

How to fix CVE-2000-0491

CVE-2000-0491 is a unknown severity vulnerability affecting Caldera Gdm.

Description: Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request. Related CVE by CWENo related CWE found.Top CVE for VendorCVE-1999-0043 (CVSS 9.8)CVE-1999-0002 (no score)CVE-1999-0879 (no score)CVE-1999-1288 (no score)CVE-1999-0880 (no score)CVE-1999-0234 (no score)CVE-2000-0370 (no […]

Exploit Difficulty: HARD
⏱️ Time to exploit: > 4 hours
🛠️ Required skills: Advanced security expertise
💰 Public exploits: Rare or not public

How to Fix:

1 Identify affected systems

- Check if you're running Gdm

2 Immediate actions

- Update to the latest patched version
- If patching is not immediately possible: restrict network exposure, apply least-privilege access

3 Verification

- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)

4 Long-term prevention

- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations
CWE: NVD-CWE-Other

Exploit Difficulty Assessment

HARD
⏱️ Time to Exploit: > 4 hours
🛠️ Skills Required: Advanced security expertise
💰 Public Exploits: Rare or not public

Vulnerability Timeline

May 24, 2000
Vulnerability Published

CVE details first published to NVD database

Apr 03, 2025
Last Modified

CVE details were updated

Nov 03, 2025
Imported to Database

Added to this CVE tracking system

Detection Rules & IOCs

No specific detection rules generated for this vulnerability type.

Caldera Gnome Gdm Openlinux