Detections
Analytics

Cisco Small Business RV042 and RV042G Routers XSS (cisco-sa-sa-rv-routers-xss-K7Z5U6q3)

medium Nessus Plugin ID 138327

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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 a cross-site scripting (XSS) vulnerability in its web-based management console due to improper validation of user-supplied input before returning it to users. An unauthenticated, remote attacker can exploit this, by convincing a user to click a specially crafted URL, to execute arbitrary script code in a user's browser session.

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 CSCvu06343

See Also

http://www.nessus.org/u?9b6d4ec0

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvu06343

Plugin Details

Severity: Medium

ID: 138327

File Name: cisco-sa-sa-rv-routers-xss-K7Z5U6q3.nasl

Version: 1.17

Type: local

Family: CISCO

Published: 7/9/2020

Updated: 11/19/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2020-3431

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: x-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: 7/1/2020

Vulnerability Publication Date: 7/1/2020

Reference Information

CVE: CVE-2020-3431

CWE: 79

CISCO-SA: cisco-sa-sa-rv-routers-xss-K7Z5U6q3

IAVA: 2020-A-0285-S

CISCO-BUG-ID: CSCvu06343