CVE-2013-6982: Cisco NX-OS

Medium severity, CVSS 4.3. EPSS: 2.8% chance of exploitation in the next 30 days.

The BGP implementation in Cisco NX-OS 6.2(2a) and earlier does not properly handle the interaction of UPDATE messages with IPv6, VPNv4, and VPNv6 labeled unicast-address families, which allows remote attackers to cause a denial of service (peer reset) via a crafted message, aka Bug ID CSCuj03174.

Affected products

• Cisco NX-OS: up to and including 6.2\(2a\); affected versions not specified; version 4.0 only; version 4.0(0)n1(1a) only; version 4.0(0)n1(2) only; version 4.0(0)n1(2a) only; …

Published 2014-01-08. Last modified 2026-06-17.