CVE-2002-0952: Cisco Optical Networking Systems Software

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

Cisco ONS15454 optical transport platform running ONS 3.1.0 to 3.2.0 allows remote attackers to cause a denial of service (reset) by sending IP packets with non-zero Type of Service (TOS) bits to the Timing Control Card (TCC) LAN interface.

Affected products

• Cisco Optical Networking Systems Software: version 3.1.0 only; version 3.2.0 only

Published 2002-10-04. Last modified 2026-06-16.