CVE-2002-1556: n/a vulnerability

CVE-2002-1556: Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) vi...

Cisco ONS15454 and ONS15327 running ONS before 3.4 allows attackers to cause a denial of service (reset) via an HTTP request to the TCC, TCC+ or XTC, in which the request contains an invalid CORBA Interoperable Object Reference (IOR).

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 03:26 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old denial-of-service issue in Cisco optical networking platforms. A crafted HTTP request could reset key controller cards, potentially interrupting management or service continuity. The provided data identifies Cisco ONS15454 and ONS15327 running ONS software before 3.4. Exposure is limited to legacy Cisco ONS15454 or ONS15327 deployments running ONS software before 3.4, especially where HTTP management paths to controller cards remain reachable. Treat this as a legacy infrastructure risk. It is urgent only where affected optical transport equipment is still deployed and reachable, but impact could be meaningful because resets can disrupt network operations. Mitigation focus: Review the Cisco advisory for the corrected ONS release and operational guidance.; Prioritize upgrade or replacement of ONS software older than 3.4.; Restrict management access to trusted administrative networks only..

Prepared: Jul 1, 2026, 00:36 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 18, 2003, 05:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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