Cisco IOS Software Smart Install Denial of Service Vulnerability (cisco-sa-20120328-smartinstall)

High Nessus Plugin ID 58572


The remote device is missing a vendor-supplied security patch.


Cisco IOS Software contains a vulnerability in the Smart Install feature that could allow an unauthenticated, remote attacker to cause a reload of an affected device if the Smart Install feature is enabled. The vulnerability is triggered when an affected device processes a malformed Smart Install message on TCP port 4786. Cisco has released free software updates that address this vulnerability. A workaround may be available in some versions of Cisco IOS Software if the Smart Install feature is not needed.


Apply the relevant patch referenced in Cisco Security Advisory cisco-sa-20120328-smartinstall.

See Also

Plugin Details

Severity: High

ID: 58572

File Name: cisco-sa-20120328-smartinstall.nasl

Version: 1.13

Type: local

Family: CISCO

Published: 2012/04/02

Updated: 2018/11/15

Dependencies: 47864

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2012/04/06

Vulnerability Publication Date: 2012/03/28

Reference Information

CVE: CVE-2012-0385

BID: 52756