Cisco Small Business RV Series Routers RCE (cisco-sa-sbrv-rce-OYLQbL9u)

high Nessus Plugin ID 161088

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Synopsis

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

Description

A vulnerability in web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious input to an affected device. A successful exploit could allow the attacker to execute remote code on the affected device. To exploit this vulnerability, an attacker would need to have valid Administrator credentials on the affected device.

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 IDs CSCwa64992, CSCwa64996, CSCwa64998

Plugin Details

Severity: High

ID: 161088

File Name: cisco-sa-sbrv-rce-OYLQbL9u.nasl

Version: 1.7

Type: remote

Family: CISCO

Published: 5/12/2022

Updated: 5/18/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2022-20753

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:small_business_rv_series_router_firmware

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/4/2022

Vulnerability Publication Date: 5/4/2022

Reference Information

CVE: CVE-2022-20753

CWE: 121

CISCO-SA: cisco-sa-sbrv-rce-OYLQbL9u

IAVA: 2022-A-0191

CISCO-BUG-ID: CSCwa64992, CSCwa64996, CSCwa64998

Detections

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