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Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers Remote Command Execution (cisco-sa-sb-rv01x_rv32x_rce-nzAGWWDD)

high Nessus Plugin ID 173969

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Synopsis

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

Description

According to its self-reported version, the Cisco Small Business Router is by a vulnerability. A vulnerability in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary commands on an affected device. This vulnerability is due to improper validation of user input within incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to gain root-level privileges and access unauthorized data. To exploit this vulnerability, an attacker would need to have valid administrative credentials on the affected device. Cisco has not released software updates that address this vulnerability.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCwe67655, CSCwe67659

See Also

http://www.nessus.org/u?d9c558d6

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwe67655

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwe67659

Plugin Details

Severity: High

ID: 173969

File Name: cisco-sa-sb-rv01x_rv32x_rce-nzAGWWDD.nasl

Version: 1.2

Type: remote

Family: CISCO

Published: 4/6/2023

Updated: 4/12/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2023-20124

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:/h:cisco:rv082, cpe:/o:cisco:rv325_firmware, cpe:/o:cisco:rv082_firmware, cpe:/h:cisco:rv042, cpe:/o:cisco:rv016_firmware, cpe:/o:cisco:rv320_firmware, x-cpe:/o:cisco:small_business_rv_series_router_firmware, cpe:/h:cisco:rv325, cpe:/h:cisco:rv320, cpe:/h:cisco:rv016, cpe:/o:cisco:rv042g_firmware, cpe:/o:cisco:rv042_firmware, cpe:/h:cisco:rv042g

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/5/2023

Vulnerability Publication Date: 4/5/2023

Reference Information

CVE: CVE-2023-20124