CVE-2015-0650: Cisco IOS

High severity, CVSS 7.8. EPSS: 2% chance of exploitation in the next 30 days.

The Service Discovery Gateway (aka mDNS Gateway) in Cisco IOS 12.2, 12.4, 15.0, 15.1, 15.2, 15.3, and 15.4 and IOS XE 3.9.xS and 3.10.xS before 3.10.4S, 3.11.xS before 3.11.3S, 3.12.xS before 3.12.2S, and 3.13.xS before 3.13.1S allows remote attackers to cause a denial of service (device reload) by sending malformed mDNS UDP packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCup70579.

Affected products

• Cisco IOS: version 12.2 only; version 12.4 only; version 15.0 only; version 15.1 only; version 15.2 only; version 15.3 only; …
• Cisco IOS XE: version 3.9s.0 only; version 3.9s.1 only; version 3.9s.2 only; version 3.10s.0 only; version 3.10s.0a only; version 3.10s.1 only; …

Published 2015-03-26. Last modified 2026-06-17.