Executive Summary

Title Cisco IOS and IOS XE Software Smart Install Denial of Service Vulnerability
Name cisco-sa-20160323-smi First vendor Publication 2016-03-23
Vendor Cisco Last vendor Modification 2016-03-23
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


The Smart Install client feature in Cisco IOS and IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

The vulnerability is due to incorrect handling of image list parameters. An attacker could exploit this vulnerability by sending crafted Smart Install packets to TCP port 4786. A successful exploit could cause a Cisco Catalyst switch to reload, resulting in a DoS condition.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability other than disabling Smart Install functionality on the vulnerable device.

This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160323-smi

This advisory is part of the March 23, 2016, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes six Cisco Security Advisories that describe six vulnerabilities. All the vulnerabilities have a Security Impact Rating of "High." For a complete list of advisories and links to them, see Cisco Event Response: http://www.cisco.com/c/en/us/about/security-center/event-response/cisco-erp-march-2016.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-399 Resource Management Errors

CPE : Common Platform Enumeration

Os 164
Os 32

Nessus® Vulnerability Scanner

Date Description
2016-04-06 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20160323-smi-ios.nasl - Type : ACT_GATHER_INFO
2016-04-06 Name : The remote device is missing a vendor-supplied security patch.
File : cisco-sa-20160323-smi-iosxe.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2016-04-07 13:26:05
  • Multiple Updates
2016-03-29 05:29:03
  • Multiple Updates
2016-03-23 21:21:39
  • First insertion