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CVE-2016-6381

Severity CVSS v4.0:
Pending analysis
Type:
CWE-399 Resource Management Errors
Publication date:
05/10/2016
Last modified:
12/04/2025

Description

Cisco IOS 12.4 and 15.0 through 15.6 and IOS XE 3.1 through 3.18 and 16.1 allow remote attackers to cause a denial of service (memory consumption or device reload) via fragmented IKEv1 packets, aka Bug ID CSCuy47382.

Impact

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

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
7.50
Severity 3.x
HIGH
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:12.4\(15\)t7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t8:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t9:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t10:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t11:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t12:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t13:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t14:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t15:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t16:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)t17:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)xl4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(15\)xl5:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(20\)mr:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:12.4\(20\)mr2:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools