CVE Catalog

CVE-2015-6392

High
Published: Translated: NVD NIST

Summary

A vulnerability in Cisco NX-OS from versions 4.1 to 7.3 and from 11.0 to 11.2 on Nexus 2000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via crafted IPv4 DHCP packets sent to the DHCPv4 relay agent or smart relay agent.

Risk Assessment

Attackers can remotely trigger a device crash, leading to service availability interruptions and potential financial losses for the organization.

Recommendation

It is recommended to update the software to the latest version to mitigate this vulnerability and to monitor DHCP traffic for potential attacks.

Related vulnerabilities

Original NVD description (English source)

Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via crafted IPv4 DHCP packets to the (1) DHCPv4 relay agent or (2) smart relay agent, aka Bug IDs CSCuq24603, CSCur93159, CSCus21693, and CSCut76171.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS