CVE-2016-1426

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Summary

CVECVE-2016-1426
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-07-15 16:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionCisco IOS XR 5.x through 5.2.5 on NCS 6000 devices allows remote attackers to cause a denial of service (timer consumption and Route Processor reload) via crafted SSH traffic, aka Bug ID CSCux76819.

Risk And Classification

Primary CVSS: v3.0 7.5 HIGH from [email protected]

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

Problem Types: CWE-399 | n/a

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary7.8AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.0 Breakdown

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

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios Xr 5.0.0 All All All
Operating System Cisco Ios Xr 5.0.1 All All All
Operating System Cisco Ios Xr 5.0_base All All All
Operating System Cisco Ios Xr 5.1.0 All All All
Operating System Cisco Ios Xr 5.1.1 All All All
Operating System Cisco Ios Xr 5.1.1.k9sec All All All
Operating System Cisco Ios Xr 5.1.2 All All All
Operating System Cisco Ios Xr 5.1.3 All All All
Operating System Cisco Ios Xr 5.2.0 All All All
Operating System Cisco Ios Xr 5.2.1 All All All
Operating System Cisco Ios Xr 5.2.2 All All All
Operating System Cisco Ios Xr 5.2.3 All All All
Operating System Cisco Ios Xr 5.2.4 All All All
Operating System Cisco Ios Xr 5.2.5 All All All
Hardware Cisco Network Convergence System 6000 - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Malformed Request af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco IOS XR Resource Leak on Network Convergence System 6000 Series Routers Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Cisco IOS XR for NCS 6000 Packet Timer Leak 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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