CVE-2018-0299: Cisco NX-OS

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

A vulnerability in the Simple Network Management Protocol (SNMP) feature of Cisco NX-OS on the Cisco Nexus 4000 Series Switch could allow an authenticated, remote attacker to cause the device to unexpectedly reload, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete validation of an SNMP poll request for a specific MIB. An attacker could exploit this vulnerability by sending a specific SNMP poll request to the targeted device. An exploit could allow the attacker to cause the device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvg10442.

Affected products

• Cisco NX-OS: version 4.1(2)e1(1r) only

Published 2018-06-21. Last modified 2026-06-17.