Cisco IOS XE Software SD WAN Arbitrary File Deletion (cisco-sa-arb-file-delete-VB2rVcQv)

high Nessus Plugin ID 165533

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 vulnerability.

- A vulnerability in the CLI of stand-alone Cisco IOS XE SD-WAN Software and Cisco SD-WAN Software could allow an authenticated, local attacker to delete arbitrary files from the file system of an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting arbitrary file path information when using commands in the CLI of an affected device. A successful exploit could allow the attacker to delete arbitrary files from the file system of the affected device. (CVE-2022-20850)

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

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvm25943

See Also

http://www.nessus.org/u?b4c2f71d

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvm25943

Plugin Details

Severity: High

ID: 165533

File Name: cisco-sa-arb-file-delete-VB2rVcQv-iosxe.nasl

Version: 1.10

Type: combined

Family: CISCO

Published: 9/29/2022

Updated: 3/21/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

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

CVSS Score Source: CVE-2022-20850

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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: 9/28/2022

Vulnerability Publication Date: 9/28/2022

Reference Information

CVE: CVE-2022-20850

CWE: 22

CISCO-SA: cisco-sa-arb-file-delete-VB2rVcQv

IAVA: 2022-A-0390, 2022-A-0391

CISCO-BUG-ID: CSCvm25943