Cisco SD-WAN Software Command Injection (cisco-sa-sdwan-maapi-cmdinjec-znUYTuC)

medium Nessus Plugin ID 153551

Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco SD-WAN Viptela Software is affected by a vulnerability.

- A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to inject arbitrary commands to be executed with root-level privileges on the underlying operating system of an affected device. This vulnerability is due to insufficient input validation on certain CLI commands. An attacker could exploit this vulnerability by authenticating to an affected device and submitting crafted input to the CLI. The attacker must be authenticated as an administrative user to execute the affected commands. A successful exploit could allow the attacker to execute commands with root-level privileges.
(CVE-2021-34726)

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 CSCvs98414

See Also

http://www.nessus.org/u?d45939d9

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvs98414

Plugin Details

Severity: Medium

ID: 153551

File Name: cisco-sa-sdwan-maapi-cmdinjec-znUYTuC.nasl

Version: 1.7

Type: local

Family: CISCO

Published: 9/22/2021

Updated: 9/24/2021

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-2021-34726

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/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:/a:cisco:sd-wan_vmanage, cpe:/o:cisco:sd-wan_firmware, x-cpe:/a:cisco:sd-wan_vbond_orchestrator, x-cpe:/a:cisco:sd-wan_vedge, x-cpe:/a:cisco:sd-wan_vsmart_controller, x-cpe:/a:cisco:vedge_cloud_router

Required KB Items: Cisco/Viptela/Version, Cisco/Viptela/Model

Exploit Ease: No known exploits are available

Patch Publication Date: 9/22/2021

Vulnerability Publication Date: 9/22/2021

Reference Information

CVE: CVE-2021-34726

CWE: 77

CISCO-SA: cisco-sa-sdwan-maapi-cmdinjec-znUYTuC

IAVA: 2021-A-0435

CISCO-BUG-ID: CSCvs98414