CVE-2013-6703: Cisco Ons 15454

High severity, CVSS 7.1. EPSS: 1.3% chance of exploitation in the next 30 days.

The TLS/SSLv3 module on Cisco ONS 15454 controller cards allows remote attackers to cause a denial of service (card reset) via crafted (1) TLS or (2) SSLv3 packets, aka Bug ID CSCuh34787.

Affected products

• Cisco Ons 15454: any version

Published 2013-12-03. Last modified 2026-06-17.