CVE-2004-1434: Cisco Optical Networking Systems Software

Medium severity, CVSS 5.0. EPSS: 3.3% chance of exploitation in the next 30 days.

Multiple versions of Cisco ONS 15327, ONS 15454, and ONS 15454 SDH, including 4.1(0) to 4.1(2), 4.5(x), 4.0(0) to 4.0(2), and earlier versions, allows remote attackers to cause a denial of service (control card reset) via malformed SNMP packets.

Affected products

• Cisco Optical Networking Systems Software: version 1.0 only; version 1.1 only; version 1.1(0) only; version 1.1(1) only; version 1.3(0) only; version 2.3(5) only; …

Published 2004-12-31. Last modified 2026-06-16.