Executive Summary

Title Cisco IOS and IOS XE Software IPv6 First Hop Security Denial of Service Vulnerabilities
Name cisco-sa-20150923-fhs First vendor Publication 2015-09-23
Vendor Cisco Last vendor Modification 2015-09-23
Severity (Vendor) N/A Revision 1.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Two vulnerabilities in the IPv6 first hop security feature of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload.

Cisco has released software updates that address these vulnerabilities. There are no workarounds to mitigate these vulnerabilities.

This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150923-fhs

Note: The September 23, 2015, release of the Cisco IOS and IOS XE Software Security Advisory bundled publication includes three Cisco Security Advisories. All the advisories address vulnerabilities in Cisco IOS Software and Cisco IOS XE Software. Individual publication links are in Cisco Event Response: September 2015 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication at the following link: http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep15.html

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Original Source

Url : http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco (...)

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

Os 99
Os 57

Nessus® Vulnerability Scanner

Date Description
2015-10-02 Name : The remote device is missing vendor-supplied security patches.
File : cisco-sa-20150923-fhs-ios.nasl - Type : ACT_GATHER_INFO
2015-10-02 Name : The remote device is missing vendor-supplied security patches.
File : cisco-sa-20150923-fhs-iosxe.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2015-10-03 13:24:06
  • Multiple Updates
2015-09-29 00:21:45
  • Multiple Updates
2015-09-23 21:21:59
  • First insertion