CVE-1999-0430: Cisco Catalyst LAN switches running Catalyst 5000 supervisor software allows remote attackers to perform a denial of ser

Published n/a Updated 2026-08-21T04:30:43.486Z

Summary

Cisco Catalyst LAN switches running Catalyst 5000 supervisor software allows remote attackers to perform a denial of service by forcing the supervisor module to reload.

Severity

UNKNOWN

Source Attribution

Source: NVD · Updated: 2026-08-21T04:30:43.486Z · Confidence: high

Impact

Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.

Affected Software

Fix

Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.

References