Security readout for executives and security teams
This is an old Cisco ONS15454 optical transport issue. Specific ONS software versions could be remotely reset by malformed IP packet handling involving non-zero Type of Service bits sent to the TCC LAN interface. The impact is denial of service, not data theft, but service disruption on transport infrastructure can still be operationally important. Exposure is most likely in legacy environments still operating Cisco ONS15454 with ONS 3.1.0 to 3.2.0, especially where the TCC LAN interface is reachable from untrusted or broad internal networks. Prioritize if the organization still depends on affected Cisco optical transport equipment. The issue is old and not KEV-listed, but a reset condition on transport infrastructure can create business-impacting outages. Mitigation focus: Inventory Cisco ONS15454 systems and confirm installed ONS software versions.; Review Cisco advisory guidance for fixed software or vendor-approved mitigations.; Restrict access to the TCC LAN interface to trusted management networks..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-2002-0952 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
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Source materials
- CVE List V5 sourceCVE List V5
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