6.5
MEDIUM
CVE-2016-6423
"Cisco IOS IKEv2 Denial of Service"
Description

The IKEv2 client and initiator implementations in Cisco IOS 15.5(3)M and IOS XE allow remote IKEv2 servers to cause a denial of service (device reload) via crafted IKEv2 packets, aka Bug ID CSCux97540.

INFO

Published Date :

Oct. 5, 2016, 8:59 p.m.

Last Modified :

July 30, 2017, 1:29 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2016-6423 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco ios
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-6423.

URL Resource
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev Vendor Advisory
http://www.securityfocus.com/bid/93411
http://www.securitytracker.com/id/1036955

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-6423 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-6423 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jul. 30, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1036955 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/93411 [No Types Assigned]
  • CVE Translated by [email protected]

    Oct. 12, 2016

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 06, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:cisco:ios:15.5\(3\)m:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:S/C:N/I:N/A:C)
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev No Types Assigned http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev Vendor Advisory
    Added CWE CWE-399
  • Initial Analysis by [email protected]

    Oct. 06, 2016

    Action Type Old Value New Value
    Added CWE CWE-399
    Changed Reference Type http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev No Types Assigned http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161005-ios-ikev Vendor Advisory
    Added CVSS V2 (AV:N/AC:M/Au:S/C:N/I:N/A:C)
    Changed CPE Configuration Configuration 1 OR Configuration 1 OR *cpe:2.3:o:cisco:ios:15.5\(3\)m:*:*:*:*:*:*:*
    Added CVSS V3 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-6423 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-6423 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.14 }} 0.00%

score

0.47858

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability