CVE-2017-6655

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Summary

CVECVE-2017-6655
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-06-13 06:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionA 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).

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-119 | Denial of Service Vulnerability

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary3.3AV:A/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:A/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Mds 9000 Nx-os 7.3\(1\)d1\(1\) All All All
Operating System Cisco Nx-os 8.0\(1\)s2 All All All
Operating System Cisco Nx-os 8.3\(0\)cv\(0.833\) All All All
Application Cisco Nx-os For Nexus 5500 Platform Switches 7.3\(1\)n1\(1\) All All All
Application Cisco Nx-os For Nexus 5600 Platform Switches 7.3\(1\)n1\(1\) All All All
Application Cisco Nx-os For Nexus 7700 Series Switches 8.0\(1\)\(ed\) All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Cisco NX-OS Software Fibre Channel Over Ethernet affected Cisco NX-OS Software Fibre Channel over Ethernet Not specified

References

ReferenceSourceLinkTags
Cisco NX-OS Fibre Channel over Ethernet Frame Validation Bug Lets Remote Users Cause the Target System to Crash - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Cisco NX-OS Software CVE-2017-6655 Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Cisco NX-OS Software Fibre Channel over Ethernet Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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