Check Point Advisories

Cisco Small Business Router Directory Traversal (CVE-2022-20705)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-1725
Date Published:	28 Aug 2023
Severity:	Critical
Last Updated:	Monday 28 August, 2023
Source:
Industry Reference:	CVE-2022-20705
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Cisco Small Business Router RV160 Cisco Small Business Router RV260 Cisco Small Business Router RV340 Cisco Small Business Router RV345
Vulnerability Description	A directory traversal vulnerability exists in Cisco Small Business RV series routers. Successful exploitation of this vulnerability would allow a remote attacker to list directories on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Cisco Small Business Router Directory Traversal (CVE-2022-20705) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Cisco Protection Violation.
Attack Information: Cisco Small Business Router Directory Traversal (CVE-2022-20705)