CVE-2014-3327: Cisco IOS

High severity, CVSS 7.8. EPSS: 3.3% chance of exploitation in the next 30 days.

The EnergyWise module in Cisco IOS 12.2, 15.0, 15.1, 15.2, and 15.4 and IOS XE 3.2.xXO, 3.3.xSG, 3.4.xSG, and 3.5.xE before 3.5.3E allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 packet, aka Bug ID CSCup52101.

Affected products

• Cisco IOS: version 12.2 only; version 15.0 only; version 15.1 only; version 15.2 only; version 15.4 only
• Cisco IOS XE: version 3.2.00.xo.15.0(2)xo only; version 3.2.0xo only; version 3.3.0sg only; version 3.3.1sg only; version 3.4.0sg only; version 3.4.1sg only; …

Published 2014-08-11. Last modified 2026-06-17.