Cisco Small Business RV160 and RV260 Series VPN Routers RCE (cisco-sa-rv-code-execution-9UVJr7k4)

critical Nessus Plugin ID 152213
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Synopsis

The remote device is missing a vendor-supplied security patch (cisco-sa-rv-code-execution-9UVJr7k4)

Description

According to its self-reported version, Cisco Small Business RV Series Router Firmware is affected by a vulnerability in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W Routers which could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an 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 ID CSCvy02232

See Also

http://www.nessus.org/u?1b0c0e19

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvy02232

Plugin Details

Severity: Critical

ID: 152213

File Name: cisco-sa-rv-code-execution-9UVJr7k4.nasl

Version: 1.7

Type: remote

Family: CISCO

Published: 8/4/2021

Updated: 8/17/2021

Dependencies: cisco_small_business_detect.nasl, cisco_rv_webui_detect.nbin

Risk Information

CVSS Score Source: CVE-2021-1602

VPR

Risk Factor: Medium

Score: 5.9

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:rv160_firmware, cpe:/o:cisco:rv160w_firmware, cpe:/o:cisco:rv260_firmware, cpe:/o:cisco:rv260p_firmware, cpe:/o:cisco:rv260w_firmware, cpe:/h:cisco:rv160, cpe:/h:cisco:rv160w, cpe:/h:cisco:rv260, cpe:/h:cisco:rv260p, cpe:/h:cisco:rv260w

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-2021-1602

CISCO-BUG-ID: CSCvy02232

CISCO-SA: cisco-sa-rv-code-execution-9UVJr7k4

IAVA: 2021-A-0360

CWE: 78