Cisco IOS Software DHCP Remote Code Execution Vulnerability

Critical Nessus Plugin ID 103565


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


According to its self-reported version, the IOS is affected by one or more vulnerabilities. Please see the included Cisco BIDs and the Cisco Security Advisory for more information.


Upgrade to the relevant fixed version referenced in Cisco bug ID(s) CSCsm45390 and CSCuw77959.

See Also

Plugin Details

Severity: Critical

ID: 103565

File Name: cisco-sa-20170927-dhcp-ios.nasl

Version: 1.7

Type: local

Family: CISCO

Published: 2017/10/02

Modified: 2018/03/01

Dependencies: 47864

Risk Information

Risk Factor: Critical


Base Score: 10

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


Base Score: 9.8

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

Vulnerability Information

CPE: cpe:/o:cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version

Patch Publication Date: 2017/09/27

Vulnerability Publication Date: 2017/09/27

Reference Information

CVE: CVE-2017-12240

BID: 101034

OSVDB: 166243

CISCO-BUG-ID: CSCsm45390, CSCuw77959

IAVA: 2017-A-0286

CISCO-SA: cisco-sa-20170927-dhcp