CVE-2015-4285

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Summary

CVECVE-2015-4285
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-07-23 14:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe Local Packet Transport Services (LPTS) implementation in Cisco IOS XR 5.1.2, 5.1.3, 5.2.1, and 5.2.2 on ASR9k devices makes incorrect decisions about the opening of TCP and UDP ports during the processing of flow base entries, which allows remote attackers to cause a denial of service (resource consumption) by sending traffic to these ports continuously, aka Bug ID CSCur88273.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

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

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
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 5.2.1 All All All
Operating System Cisco Ios Xr 5.2.2 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Cisco ASR 9000 Series Router IOS XR LPTS Network Stack Lets Remote Users Consume Excessive CPU Resources on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Cisco IOS XR LPTS Network Stack Remote 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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