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

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CVE-2012-3950

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
27/09/2012
Last modified:
11/04/2025

Description

The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.

Impact

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

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:12.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)ja:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)ja5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)jk:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)jk1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)t3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)t8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)xa4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)xa5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)xc1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)xc2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)xc3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)xc4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.3\(2\)xe3:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools