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Unrated severityNVD Advisory· Published Jan 5, 2004· Updated Jun 16, 2026

CVE-2003-1001

CVE-2003-1001

Description

Buffer overflow in the Cisco Firewall Services Module (FWSM) in Cisco Catalyst 6500 and 7600 series devices allows remote attackers to cause a denial of service (crash and reload) via HTTP auth requests for (1) TACACS+ or (2) RADIUS authentication.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

19
  • Cisco Systems, Inc./Catalyst 6500
    cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Catalyst 6500 Ws Svc Nam 12 versions
    cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-1:3.1\(1a\):*:*:*:*:*:*:*
  • Cisco Systems, Inc./Catalyst 7600 Ws Svc Nam 24 versions
    cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-2:2.2\(1a\):*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-2:2.2\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_6500_ws-svc-nam-2:3.1\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-2:2.2\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-2:3.1\(1a\):*:*:*:*:*:*:*
  • Cisco Systems, Inc./Catalyst 7600 Ws X6380 Nam4 versions
    cpe:2.3:h:cisco:catalyst_6500_ws-x6380-nam:2.1\(2\):*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:h:cisco:catalyst_6500_ws-x6380-nam:2.1\(2\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_6500_ws-x6380-nam:3.1\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_7600_ws-x6380-nam:2.1\(2\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_7600_ws-x6380-nam:3.1\(1a\):*:*:*:*:*:*:*
  • Cisco Systems, Inc./Catalyst 7600 Ws Svc Nam 12 versions
    cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-1:2.2\(1a\):*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:catalyst_7600_ws-svc-nam-1:3.1\(1a\):*:*:*:*:*:*:*
  • Cisco Systems, Inc./Firewall Services Module3 versions
    cpe:2.3:h:cisco:firewall_services_module:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:h:cisco:firewall_services_module:*:*:*:*:*:*:*:*
    • cpe:2.3:h:cisco:firewall_services_module:1.1.2:*:*:*:*:*:*:*
    • (no CPE)
  • Cisco Systems, Inc./Catos3 versions
    cpe:2.3:o:cisco:catos:5.4\(1\):*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:cisco:catos:5.4\(1\):*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:catos:7.5\(1\):*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:catos:7.6\(1\):*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

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