CVE-2015-6271

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Summary

CVECVE-2015-6271
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-08-31 20:59:05 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionCisco IOS XE 2.1.0 through 2.4.3 and 2.5.0 on ASR 1000 devices, when NAT Application Layer Gateway is used, allows remote attackers to cause a denial of service (Embedded Services Processor crash) via a crafted SIP packet, aka Bug IDs CSCta74749 and CSCta77008.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

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

Problem Types: CWE-399 | n/a

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
Hardware Cisco Asr 1001 - All All All
Hardware Cisco Asr 1001-x - All All All
Hardware Cisco Asr 1002 - All All All
Hardware Cisco Asr 1002-x - All All All
Hardware Cisco Asr 1004 - All All All
Hardware Cisco Asr 1006 - All All All
Hardware Cisco Asr 1013 - All All All
Operating System Cisco Ios Xe 2.1.0 All All All
Operating System Cisco Ios Xe 2.1.1 All All All
Operating System Cisco Ios Xe 2.1.2 All All All
Operating System Cisco Ios Xe 2.1.3 All All All
Operating System Cisco Ios Xe 2.2.1 All All All
Operating System Cisco Ios Xe 2.2.2 All All All
Operating System Cisco Ios Xe 2.2.3 All All All
Operating System Cisco Ios Xe 2.3.0 All All All
Operating System Cisco Ios Xe 2.3.0t All All All
Operating System Cisco Ios Xe 2.3.1t All All All
Operating System Cisco Ios Xe 2.3.2 All All All
Operating System Cisco Ios Xe 2.4.0 All All All
Operating System Cisco Ios Xe 2.4.1 All All All
Operating System Cisco Ios Xe 2.4.2 All All All
Operating System Cisco Ios Xe 2.4.3 All All All
Operating System Cisco Ios Xe 2.5.0 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Cisco ASR 1000 Series Aggregation Services Routers Crafted SIP Packet Denial of Service Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
Cisco ASR 1000 Series Router L2TP/IPv4/IPv6/SIP/H.323 Processing Bugs Let Remote Users Cause the Target System to Crash - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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