Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-2049

Severity CVSS v4.0:
Pending analysis
Type:
CWE-16 Configuration Errors
Publication date:
30/07/2009
Last modified:
09/04/2025

Description

Cisco 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.

Impact

Vector 2.0
AV:N/AC:H/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): High
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
5.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:12.0\(32\)s12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(32\)s13:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(32\)sy8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(32\)sy9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(33\)s3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(33\)s4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(33\)sxi1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2\(33\)sxi2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2xnc:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.2xnd:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(24\)t1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.3.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:2.4.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools