CVE-2017-6666

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Summary

CVECVE-2017-6666
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 forwarding component of Cisco IOS XR Software for Cisco Network Convergence System (NCS) 5500 Series Routers could allow an authenticated, local attacker to cause the router to stop forwarding data traffic across Traffic Engineering (TE) tunnels, resulting in a denial of service (DoS) condition. More Information: CSCvd16665. Known Affected Releases: 6.2.11.BASE. Known Fixed Releases: 6.1.3 6.1.2 6.3.1.8i.BASE 6.2.11.8i.BASE 6.2.2.9i.BASE 6.1.32.11i.BASE 6.1.31.10i.BASE 6.1.4.3i.BASE.

Risk And Classification

Primary CVSS: v3.0 6 MEDIUM from [email protected]

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

Problem Types: NVD-CWE-noinfo | Denial of Service Vulnerability

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary6MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
2.0[email protected]Primary1.9AV:L/AC:M/Au:N/C:N/I:N/A:P

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios Xr 6.0.0 All All All
Operating System Cisco Ios Xr 6.0.1 All All All
Operating System Cisco Ios Xr 6.0_base All All All
Operating System Cisco Ios Xr 6.1.0 All All All
Operating System Cisco Ios Xr 6.1.1 All All All
Operating System Cisco Ios Xr 6.1.2 All All All
Operating System Cisco Ios Xr 6.1.3 All All All
Operating System Cisco Ios Xr 6.2.0 All All All
Operating System Cisco Ios Xr 6.2.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Cisco Network Convergence System 5500 Series Routers affected Cisco Network Convergence System 5500 Series Routers Not specified

References

ReferenceSourceLinkTags
Cisco IOS XR on Network Convergence System 5500 Series Routers Lets Local Users Cause Denial of Service Conditions - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Cisco IOS XR Software CVE-2017-6666 Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Cisco Network Convergence System 5500 Series Routers Local Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Mitigation, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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