CVE-2015-6393

HIGH

Cisco NX-OS 4.1-7.3 and 11.0-11.2 - Denial of Service via Malformed IPv4 DHCP Packets

Title source: llm

Description

Cisco NX-OS 4.1 through 7.3 and 11.0 through 11.2 on Nexus 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service (device crash) via malformed IPv4 DHCP packets to the DHCPv4 relay agent, aka Bug IDs CSCuq39250, CSCus21733, CSCus21739, CSCut76171, and CSCux67182.

References (3)

Core 3

Core References

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/93419

Vendor Advisory vendor-advisory x_refsource_cisco

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-dhcp2

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1036949

Scores

CVSS v3 7.5

EPSS 0.0191

EPSS Percentile 77.7%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-399

Status published

Products (50)

cisco/nx-os 4.2\(1\)n1\(1\)

cisco/nx-os 4.2\(1\)n2\(1\)

cisco/nx-os 4.2\(1\)n2\(1a\)

cisco/nx-os 5.0\(2\)n1\(1\)

cisco/nx-os 5.0\(2\)n2\(1\)

cisco/nx-os 5.0\(2\)n2\(1a\)

cisco/nx-os 5.0\(3\)n1\(1c\)

cisco/nx-os 5.0\(3\)n2\(1\)

cisco/nx-os 5.0\(3\)n2\(2\)

cisco/nx-os 5.0\(3\)n2\(2a\)

... and 40 more

Published Oct 06, 2016

Tracked Since Feb 18, 2026