Cisco IOS XE Software SD WAN Command Injection (cisco-sa-sd-wan-rhpbE34A)

high Nessus Plugin ID 154348

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

A command injection vulnerability exists in the CLI of Cisco IOS XE SD-WAN Software due to insufficient input validation by the system CLI. An authenticated, local attacker can exploit this, by submitting crafted input to the system CLI, to execute arbitrary commands with root privileges.

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 CSCvx50713

Plugin Details

Severity: High

ID: 154348

File Name: cisco-sa-sd-wan-rhpbE34A-iosxe.nasl

Version: 1.6

Type: combined

Family: CISCO

Published: 10/22/2021

Updated: 9/28/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

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

CVSS Score Source: CVE-2021-1529

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:ios_xe

Required KB Items: Host/Cisco/IOS-XE/Version, Host/Cisco/IOS-XE/Model, Host/Cisco/SDWAN

Exploit Ease: No known exploits are available

Patch Publication Date: 10/20/2021

Vulnerability Publication Date: 10/20/2021

Reference Information

CVE: CVE-2021-1529

CWE: 78

CISCO-SA: cisco-sa-sd-wan-rhpbE34A

IAVA: 2021-A-0495-S

CISCO-BUG-ID: CSCvx50713

Detections

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