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

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CVE-2016-6380

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
05/10/2016
Last modified:
12/04/2025

Description

The DNS forwarder in Cisco IOS 12.0 through 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.15 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (data corruption or device reload) via a crafted DNS response, aka Bug ID CSCup90532.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:P/I:P/A:C CVSS v2.0 Severity and Metrics:

Base Score: 8.30 HIGH
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:C

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

Base Score 2.0
8.30
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:ios:12.0\(3\)t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(3\)t1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(3\)t2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(3\)t3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(3\)xe:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(3\)xe1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(3\)xe2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(4\)t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(4\)t1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(4\)xe:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(4\)xe1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(4\)xe2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(5\)t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(5\)t1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.0\(5\)t2:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools