cvedb.io
CVE-2018-0303
HIGH · CVSS 8.8
EPSS exploitation probability: 0%
Published 2018-06-21T11:29:00.413 · Last modified 2026-06-17T01:30:26.547

Summary

A vulnerability in the Cisco Discovery Protocol component of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to execute arbitrary code as root or cause a denial of service (DoS) condition on the affected device. The vulnerability exists because of insufficiently validated Cisco Discovery Protocol packet headers. An attacker could exploit this vulnerability by sending a crafted Cisco Discovery Protocol packet to a Layer 2 adjacent affected device. A successful exploit could allow the attacker to cause a buffer overflow that could allow the attacker to execute arbitrary code as root or cause a DoS condition on the affected device. This vulnerability affects the following if configured to use Cisco Discovery Protocol: Firepower 4100 Series Next-G

Affected products

cisco — nx-os

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.