CVE-2015-6274: Cisco Asr 1000 Series Software

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

The IPv4 implementation on Cisco ASR 1000 devices with software 15.5(3)S allows remote attackers to cause a denial of service (ESP QFP CPU consumption) by triggering packet fragmentation and reassembly, aka Bug ID CSCuv71273.

Affected products

• Cisco Asr 1000 Series Software: version 15.5(3)s only

Published 2015-09-02. Last modified 2026-06-17.