Improper Authentication in Zoho ManageEngine ServiceDesk Plus

1) Improper Authentication

EUVDB-ID: #VU28135

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

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 authentication error while configuring OAuth and signing in using the authentication pop-up window. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoho ManageEngine ServiceDesk Plus: 11.1 build 11100 - 11.1 build 11113

CPE2.3

• cpe:2.3:a:zohocorp:zoho_manageengine_servicedesk_plus:11.1 build 11100:*:*:*:*:*:*:*
• cpe:2.3:a:zohocorp:zoho_manageengine_servicedesk_plus:11.1 build 11101:*:*:*:*:*:*:*
• cpe:2.3:a:zohocorp:zoho_manageengine_servicedesk_plus:11.1 build 11102:*:*:*:*:*:*:*

External links

https://www.manageengine.com/products/service-desk/on-premises/readme.html?112233

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?

No. We are not aware of malware exploiting this vulnerability.