Cisco IOS XE Software Web UI RCE (cisco-sa-iosxe-webui-rce-uk8BXcUD)

high Nessus Plugin ID 137182

Synopsis

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

Description

According to its self-reported version, Cisco IOS XE Software is affected by a remote code execution vulnerability. An authenticated, remote attacker can exploit this, by supplying improperly validated input, to execute arbitrary code with root privileges on the underlying Linux shell.

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

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvq01125 or apply the workaround mentioned in the advisory.

See Also

http://www.nessus.org/u?166cf8b9

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-73388

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvq01125

Plugin Details

Severity: High

ID: 137182

File Name: cisco-sa-iosxe-webui-rce-uk8BXcUD-iosxe.nasl

Version: 1.9

Type: combined

Family: CISCO

Published: 6/5/2020

Updated: 5/3/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2020-3218

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/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:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 6/3/2020

Vulnerability Publication Date: 6/3/2020

Reference Information

CVE: CVE-2020-3218

CWE: 20

CISCO-SA: cisco-sa-iosxe-webui-rce-uk8BXcUD

IAVA: 2020-A-0239-S

CISCO-BUG-ID: CSCvq01125