National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-6655 Detail

Current 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).

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.5 MEDIUM
Vector: AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 2.8


Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 3.3 LOW
Vector: (AV:A/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 6.5


Access Vector (AV): Local_Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/98991 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038628
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-nxos Vendor Advisory

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:cisco:mds_9000_nx-os:7.3\(1\)d1\(1\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:nx-os:8.0\(1\)s2:*:*:*:*:nexus_5000_series:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:nx-os:8.0\(1\)s2:*:*:*:*:nexus_7000_series:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:nx-os:8.3\(0\)cv\(0.833\):*:*:*:*:nexus_7000_series:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:nx-os_for_nexus_5500_platform_switches:7.3\(1\)n1\(1\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:nx-os_for_nexus_5600_platform_switches:7.3\(1\)n1\(1\):*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:cisco:nx-os_for_nexus_7700_series_switches:8.0\(1\)\(ed\):*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-6655
NVD Published Date:
06/13/2017
NVD Last Modified:
07/07/2017