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

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CVE-2015-0639

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
26/03/2015
Last modified:
12/04/2025

Description

The Common Flow Table (CFT) feature in Cisco IOS XE 3.6 and 3.7 before 3.7.1S, 3.8 before 3.8.0S, 3.9 before 3.9.0S, 3.10 before 3.10.0S, 3.11 before 3.11.0S, 3.12 before 3.12.0S, 3.13 before 3.13.0S, 3.14 before 3.14.0S, and 3.15 before 3.15.0S, when MMON or NBAR is enabled, allows remote attackers to cause a denial of service (device reload) via malformed IPv6 packets with IPv4 UDP encapsulation, aka Bug ID CSCua79665.

Impact

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

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios_xe:3.6s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.6s.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.6s.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.6s.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.7s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.7s.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.7s.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.7s.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.7s.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.7s.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.7s.5:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools