Authentication bypass in Zoho ManageEngine Desktop Central MSP

1) Improper Authentication

EUVDB-ID: #VU58523

Risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-44515

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests. A remote attacker can bypass authentication process and execute arbitrary code in the Desktop Central server.

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Zoho ManageEngine Desktop Central: 10.1.2119.8 - 10.1.2137.2

External links

http://www.manageengine.com/desktop-management-msp/cve-2021-44515-security-advisory.html
http://www.manageengine.com/products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.