Check Point Advisories

Arcserve D2D Authentication Bypass (CVE-2020-27858)

Vulnerability
Protection

Check Point Reference:	CPAI-2020-3810
Date Published:	4 May 2023
Severity:	High
Last Updated:	Thursday 04 May, 2023
Source:
Industry Reference:	CVE-2020-27858
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Arcserve D2D 16.5
Vulnerability Description	An authentication bypass vulnerability exists in Arcserve D2D. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access into 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 Arcserve D2D Authentication Bypass (CVE-2020-27858) 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: Web Server Enforcement Violation.
Attack Information: Arcserve D2D Authentication Bypass (CVE-2020-27858)