Cisco IOS Software VPLS denial of service (cisco-sa-20170927-vpls)

High Nessus Plugin ID 103672


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


According to its self-reported version and configuration, the Cisco IOS software running on the remote device is affected by a denial of service vulnerability in the Virtual Private LAN Service (VPLS) feature. An unauthenticated, remote attacker can exploit this, via specially crafted requests, to cause the switch to stop processing traffic, requiring a device restart to regain functionality.


Upgrade to the relevant fixed version referenced in Cisco bug ID CSCva61927.

See Also

Plugin Details

Severity: High

ID: 103672

File Name: cisco-sa-20170927-vpls.nasl

Version: 1.2

Type: local

Family: CISCO

Published: 2017/10/05

Modified: 2017/10/05

Dependencies: 47864

Risk Information

Risk Factor: High


Base Score: 7.8

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


Base Score: 7.5

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

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: Host/Cisco/IOS/Version, Host/Cisco/IOS/Model

Patch Publication Date: 2017/09/27

Vulnerability Publication Date: 2017/09/27

Reference Information

CVE: CVE-2017-12238

BID: 101040

OSVDB: 166262


CISCO-SA: cisco-sa-20170927-vpls

IAVA: 2017-A-0286