Cisco FXOS Software CLI Command Injection (cisco-sa-20200226-fxos-ucs-cmdinj)

high Nessus Plugin ID 134567

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco FXOS Software is affected by a vulnerability in the CLI due to insufficient input validation. An authenticated, local attacker can exploit this, by including crafted arguments to specific commands, in order to execute arbitrary commands on the underlying OS with the privileges of the currently logged-in user.

Please see the included Cisco BIDs and Cisco Security Advisory for more information

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvo42628 and CSCvo42636.

See Also

http://www.nessus.org/u?a5d34d6d

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvo42628

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvo42636

Plugin Details

Severity: High

ID: 134567

File Name: cisco-sa-20200226-fxos-cmdinj.nasl

Version: 1.6

Type: local

Family: CISCO

Published: 3/13/2020

Updated: 3/29/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2020-3167

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:cisco:fxos

Required KB Items: installed_sw/FXOS

Exploit Ease: No known exploits are available

Patch Publication Date: 2/26/2020

Vulnerability Publication Date: 2/26/2020

Reference Information

CVE: CVE-2020-3167

CISCO-SA: cisco-sa-20200226-fxos-ucs-cmdinj

IAVA: 2020-A-0085

CISCO-BUG-ID: CSCvo42628, CSCvo42636