CVE-2009-2049

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Summary

CVECVE-2009-2049
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-07-30 18:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionCisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.

Risk And Classification

Primary CVSS: v2.0 5.4 from [email protected]

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

Problem Types: CWE-16 | n/a

CVSS v2.0 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios 12.0\(32\)s12 All All All
Operating System Cisco Ios 12.0\(32\)s13 All All All
Operating System Cisco Ios 12.0\(32\)sy8 All All All
Operating System Cisco Ios 12.0\(32\)sy9 All All All
Operating System Cisco Ios 12.0\(33\)s3 All All All
Operating System Cisco Ios 12.0\(33\)s4 All All All
Operating System Cisco Ios 12.2xnc All All All
Operating System Cisco Ios 12.2xnd All All All
Operating System Cisco Ios 12.2\(33\)sxi1 All All All
Operating System Cisco Ios 12.2\(33\)sxi2 All All All
Operating System Cisco Ios 12.4\(24\)t1 All All All
Operating System Cisco Ios Xe 2.3 All All All
Operating System Cisco Ios Xe 2.3.1t All All All
Operating System Cisco Ios Xe 2.4 All All All
Operating System Cisco Ios Xe 2.4.0 All All All

Vendor Declared Affected Products

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

References

ReferenceSourceLinkTags
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
Cisco Security Advisory: Cisco IOS Software Border Gateway Protocol 4-Byte Autonomous System Number Vulnerabilities - Cisco Systems af854a3a-2127-422b-91ae-364da2661108 www.cisco.com Patch, Vendor Advisory
Cisco IOS Malformed Border Gateway Protocol Update Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco IOS 4-Byte ASN Support Bugs in Processing BGP Updates Let Remote Users Deny Service - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Cisco IOS Border Gateway Protocol Two Denial of Service Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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