Cisco Catalyst LAN switches running Catalyst 5000 supervisor software allows remote…
Priority LOW 27Published · 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
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.
Why it matters now
EPSS 0.01858 79th 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
| 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 · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cisco:catalyst_12xx_supervisor_software:4.29:*:*:*:*:*:*:* | 4.29 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:2.1.5:*:*:*:*:*:*:* | 2.1.5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:2.1.501:*:*:*:*:*:*:* | 2.1.501 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:2.1.502:*:*:*:*:*:*:* | 2.1.502 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:2.1.5:*:*:*:*:*:*:* | 2.1.5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:2.1.501:*:*:*:*:*:*:* | 2.1.501 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:2.1.502:*:*:*:*:*:*:* | 2.1.502 | Vulnerable | Cisco |
- cpe:2.3:a:cisco:catalyst_12xx_supervisor_software:4.29:*:*:*:*:*:*:* Versions 4.29 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:2.1.501:*:*:*:*:*:*:* Versions 2.1.501 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_29xx_supervisor_software:2.1.502:*:*:*:*:*:*:* Versions 2.1.502 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:2.1.5:*:*:*:*:*:*:* Versions 2.1.5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:2.1.501:*:*:*:*:*:*:* Versions 2.1.501 Vulnerable ·Cisco
- cpe:2.3:a:cisco:catalyst_5xxx_supervisor_software:2.1.502:*:*:*:*:*:*:* Versions 2.1.502 Vulnerable ·Cisco
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-0430
- 2026-10-03 Alias added: GHSA-r4m8-cpvh-q29r
References
Other 1
Sources
- CVE-1999-0430 · CVE Program
- CVE-1999-0430 · NVD
- FIRST EPSS
- GHSA-r4m8-cpvh-q29r · GitHub Advisory Database · CC BY 4.0
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