CVE-2017-6655

MEDIUM

Cisco NX-OS Software - Denial of Service via FCoE Protocol Implementation

Title source: llm
STIX 2.1

Description

A vulnerability in the Fibre Channel over Ethernet (FCoE) protocol implementation in Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when an FCoE-related process unexpectedly reloads. This vulnerability affects Cisco NX-OS Software on the following Cisco devices when they are configured for FCoE: Multilayer Director Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches. More Information: CSCvc91729. Known Affected Releases: 8.3(0)CV(0.833). Known Fixed Releases: 8.3(0)ISH(0.62) 8.3(0)CV(0.944) 8.1(1) 8.1(0.8)S0 7.3(2)D1(0.47).

References (3)

Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038628
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/98991

Scores

CVSS v3 6.5
EPSS 0.0068
EPSS Percentile 48.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-119
Status published
Products (7)
cisco/mds_9000_nx-os 7.3\(1\)d1\(1\)
cisco/nx-os 8.0\(1\)s2
cisco/nx-os 8.3\(0\)cv\(0.833\)
cisco/nx-os_for_nexus_5500_platform_switches 7.3\(1\)n1\(1\)
cisco/nx-os_for_nexus_5600_platform_switches 7.3\(1\)n1\(1\)
cisco/nx-os_for_nexus_7700_series_switches 8.0\(1\)\(ed\)
n/a/Cisco NX-OS Software Fibre Channel over Ethernet Cisco NX-OS Software Fibre Channel over Ethernet
Published Jun 13, 2017
Tracked Since Feb 18, 2026