Cisco Small Business RV Series Routers Multiple Vulnerabilities (cisco-sa-sb-rv-bypass-inject-Rbhgvfdx)

critical Nessus Plugin ID 148652
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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco Small Business RV Series Router Firmware is affected by multiple vulnerabilities in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, RV260W, RV340, RV340W, RV345 and RV345P Routers which could allow an unauthenticated, remote attacker to execute arbitrary code or escalate their privileges on an affected system.

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 CSCvw92538, CSCvw92718, CSCvw92723

See Also

http://www.nessus.org/u?a8b63db7

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw92538

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw92718

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw92723

Plugin Details

Severity: Critical

ID: 148652

File Name: cisco-sa-sb-rv-bypass-inject-Rbhgvfdx.nasl

Version: 1.11

Type: remote

Family: CISCO

Published: 4/15/2021

Updated: 4/27/2021

Dependencies: cisco_small_business_detect.nasl, cisco_rv_webui_detect.nbin

Risk Information

CVSS Score Source: CVE-2021-1472

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: cpe:/o:cisco:small_business_rv_series_routers_vulnerabilities

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2021

Vulnerability Publication Date: 4/7/2021

Reference Information

CVE: CVE-2021-1472, CVE-2021-1473

CISCO-BUG-ID: CSCvw92538, CSCvw92718, CSCvw92723

CISCO-SA: cisco-sa-sb-rv-bypass-inject-Rbhgvfdx

IAVA: 2021-A-0161

CWE: 119, 284