Security readout for executives and security teams
This flaw affects legacy Cisco Catalyst switches running CatOS 5.4 through 7.3. A remote attacker could send an overly long HTTP request to the embedded web server and cause the switch to reset, creating an availability outage rather than confirmed data theft or device takeover. Exposure is most likely where affected CatOS-based Catalyst switches still exist and their embedded HTTP server is reachable from users, internal networks, or the internet. Modern environments may only be exposed through forgotten legacy network management interfaces. Treat this as a legacy infrastructure availability risk. Prioritize if affected switches support critical network paths or expose web management beyond a tightly controlled admin network. Mitigation focus: Inventory Cisco Catalyst switches running CatOS 5.4 through 7.3.; Check Cisco's advisory for supported fixed releases or vendor-approved workarounds.; Restrict embedded HTTP server access to trusted management hosts only..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
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CWE details
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