CVE-2016-1453: Cisco NX-OS

Critical severity, CVSS 9.8. EPSS: 8.1% chance of exploitation in the next 30 days.

Buffer overflow in the Overlay Transport Virtualization (OTV) GRE feature in Cisco NX-OS 5.0 through 7.3 on Nexus 7000 and 7700 devices allows remote attackers to execute arbitrary code via long parameters in a packet header, aka Bug ID CSCuy95701.

Affected products

• Cisco NX-OS: version 4.1.(2) only; version 4.1.(3) only; version 4.1.(4) only; version 4.1.(5) only; version 4.2(3) only; version 4.2(4) only; …

Published 2016-10-06. Last modified 2026-06-17.