CVE-2015-4205

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Summary

CVECVE-2015-4205
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-06-23 14:59:02 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionCisco IOS XR 5.3.1 on ASR 9000 devices allows remote attackers to cause a denial of service (NPU chip reset or line-card reload) by sending crafted IEEE 802.3x flow-control PAUSE frames on the local network, aka Bug ID CSCut19959.

Risk And Classification

Primary CVSS: v2.0 5.7 from [email protected]

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

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Adjacent
Access Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco Asr 9001 - All All All
Hardware Cisco Asr 9006 - All All All
Hardware Cisco Asr 9010 - All All All
Hardware Cisco Asr 9904 - All All All
Hardware Cisco Asr 9912 - All All All
Hardware Cisco Asr 9922 - All All All
Operating System Cisco Ios Xr 5.3.1 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Cisco IOS XR Software for Cisco ASR 9000 Series Aggregation Services Routers Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco IOS XR Software CVE-2015-4205 Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Cisco ASR 9000 Routers IEEE 802.3x Parsing Flaw Lets Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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