Cisco SD-WAN Software Arbitrary File Creation (cisco-sa-vsoln-arbfile-gtsEYxns)

Medium Nessus Plugin ID 142661


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


According to its self-reported version, Cisco SD-WAN Software is affected by an arbitrary file creation vulnerability due to insufficient input validation for specific commands. An authenticated, local attacker can exploit this, by including crafted arguments to the vulnerable commands, to create or overwrite files, which could result in a denial of service condition.

Please see the included Cisco BID and Cisco Security Advisory for more information.


Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvv09807.

See Also

Plugin Details

Severity: Medium

ID: 142661

File Name: cisco-sa-vsoln-arbfile-gtsEYxns.nasl

Version: 1.5

Type: local

Family: CISCO

Published: 2020/11/10

Updated: 2020/11/12

Dependencies: 141084

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2020-26071

CVSS v2.0

Base Score: 5.2

Temporal Score: 3.8

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

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

CVSS v3.0

Base Score: 8.4

Temporal Score: 7.3

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:cisco:sd-wan_firmware

Required KB Items: Cisco/Viptela/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/11/04

Vulnerability Publication Date: 2020/11/04

Reference Information

CVE: CVE-2020-26071


CISCO-SA: cisco-sa-vsoln-arbfile-gtsEYxns

IAVA: 2020-A-0509

CWE: 22