CVE-2014-3378: Cisco IOS XR

Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.

tacacsd in Cisco IOS XR 5.1 and earlier allows remote attackers to cause a denial of service (process reload) via a malformed TACACS+ packet, aka Bug ID CSCum00468.

Affected products

• Cisco IOS XR: version 2.0 only; version 3.0 only; version 3.0.1 only; version 3.1 only; version 3.1.0 only; version 3.2 only; …

Published 2014-09-20. Last modified 2026-06-17.