CVE-2015-0688: Cisco IOS XE

High severity, CVSS 7.1. EPSS: 1.7% chance of exploitation in the next 30 days.

Cisco IOS XE 3.10.2S on an ASR 1000 device with an Embedded Services Processor (ESP) module, when NAT is enabled, allows remote attackers to cause a denial of service (module crash) via malformed H.323 packets, aka Bug ID CSCup21070.

Affected products

• Cisco IOS XE: version 13.10.2s only

Published 2015-04-04. Last modified 2026-06-17.