Security readout for executives and security teams
CVE-2000-1055 affects older CiscoSecure ACS Server versions. A remote attacker could send an oversized TACACS+ packet, causing service disruption and possibly command execution. Because ACS is an authentication control point, availability loss can affect network administration and access workflows. Exposure is likely limited to legacy CiscoSecure ACS for Windows NT or ACS Server deployments that still run version 2.4(2) or earlier and accept TACACS+ traffic from reachable networks. Treat this as high priority only if legacy CiscoSecure ACS is still present. It affects authentication infrastructure, but evidence is old and incomplete, so urgency depends on confirmed exposure. Mitigation focus: Inventory CiscoSecure ACS deployments and confirm whether version 2.4(2) or earlier exists.; Review Cisco’s advisory for the supported remediation path.; Prioritize replacement or decommissioning of unsupported ACS systems..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2000-1055 mapping review
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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
- ciscosecure-tacacs-dos(5273)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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