Read the docs
TI-2000-00780 Aliases CVE-2000-0783GHSA-3cf2-6pj6-x5w3

Watchguard Firebox II allows remote attackers to cause a denial of service by sending a…

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
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Watchguard Firebox II allows remote attackers to cause a denial of service by sending a malformed URL to the authentication service on port 4100.

Why it matters now

EPSS 0.01771 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 1

CPEVersionsRoleVendor
cpe:2.3:h:watchguard:firebox:ii:*:*:*:*:*:*:*iiVulnerableWatchGuard
  • cpe:2.3:h:watchguard:firebox:ii:*:*:*:*:*:*:* Versions ii Vulnerable ·WatchGuard

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2000-0783
  2. 2026-10-03 Alias added: GHSA-3cf2-6pj6-x5w3

References

Patch 1

  • TI-2002-01441 Format string vulnerability in the CLI interface for WatchGuard Firebox Vclass 3.2 and… CVSS 2.0HIGH 10.0
  • TI-2002-01442 The CLI interface for WatchGuard Firebox Vclass 3.2 and earlier, and RSSA Appliance… CVSS 2.0HIGH 10.0
  • TI-2002-01018 Dynamic VPN Configuration Protocol service (DVCP) in Watchguard Firebox firmware 5.x.x… CVSS 2.0MEDIUM 5.0

Sources

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