Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Multiple Vulnerabilities (cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy)

critical Nessus Plugin ID 152212
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote device is missing a vendor-supplied security patch (cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy)

Description

According to its self-reported version, Cisco Small Business RV Series Router Firmware is affected by multiple vulnerabilities:

- A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device or cause the device to reload, resulting in a denial of service (DoS) condition. (CVE-2021-1609)

- A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges on an affected device. (CVE-2021-1610)

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 CSCvy15286, CSCvy15342

See Also

http://www.nessus.org/u?b5b4035e

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvy15286

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvy15342

Plugin Details

Severity: Critical

ID: 152212

File Name: cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy.nasl

Version: 1.5

Type: remote

Family: CISCO

Published: 8/4/2021

Updated: 8/5/2021

Dependencies: cisco_small_business_detect.nasl, cisco_rv_webui_detect.nbin

Risk Information

CVSS Score Source: CVE-2021-1609

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: x-cpe:/o:cisco:small_business_rv_series_router_firmware, cpe:/o:cisco:rv340_firmware, cpe:/o:cisco:rv340w_firmware, cpe:/o:cisco:rv345_firmware, cpe:/o:cisco:rv345p_firmware, cpe:/h:cisco:rv340, cpe:/h:cisco:rv340w, cpe:/h:cisco:rv345, cpe:/h:cisco:rv345p

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/4/2021

Vulnerability Publication Date: 8/4/2021

Reference Information

CVE: CVE-2021-1609, CVE-2021-1610

CISCO-BUG-ID: CSCvy15286, CSCvy15342

CISCO-SA: cisco-sa-rv340-cmdinj-rcedos-pY8J3qfy

IAVA: 2021-A-0360

CWE: 121, 149