Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2009-2056

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
21/08/2009
Last modified:
09/04/2025

Description

Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path.

Impact

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

Base Score: 3.30 LOW
Vector: AV:N/AC:L/Au:M/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Multiple
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
3.30
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:* 3.8.1 (including)
cpe:2.3:o:cisco:ios_xr:3.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.1.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.2.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.2.3:*:crs-1:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.2.3:*:prp:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.2.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.2.50:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xr:3.4.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools