CVE-2016-1454

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-10-06 · updated 2026-06-17
Weakness: CWE-20

Description

Cisco NX-OS 4.0 through 7.3 and 11.0 through 11.2 on 1000v, 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device reload) by leveraging a peer relationship to send a crafted BGP UPDATE message, aka Bug IDs CSCuq77105 and CSCux11417.

Affected products

Cisco NX-OS: before 6.0\(2\)u6\(7\); from 6.1 before 7.0\(3\)i4\(1\); before 7.1\(4\)n1\(1\); from 7.2 before 7.2\(2\)n1\(1\); from 7.3 before 7.3\(0\)n1\(1\); before 5.2 — fixed in 11.1\(1j\), 5.2, 5.2\(1\)sv3\(1.15\), 6.0\(2\)a8\(1\), 6.0\(2\)u6\(7\), 7.0\(3\)i4\(1\)

How to fix

Upgrade to a fixed version: Cisco NX-OS 11.1\(1j\), 5.2, 5.2\(1\)sv3\(1.15\), 6.0\(2\)a8\(1\). Check the vendor advisory for mitigations.

References

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