Multiple vulnerabilities in Zoho ManageEngine ADSelfService Plus

Published: 2022-05-25

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-37423
CWE-ID	CWE-300 CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Zoho ManageEngine ADSelfService Plus Client/Desktop applications / Software for system administration
Vendor	Zoho Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Man-in-the-Middle (MitM) attack

EUVDB-ID: #VU63622

Risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-37423

CWE-ID: CWE-300 - Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to insecure communication during password synchronization. A remote unauthenticated attacker can delete the real Password Sync Agent from the database and register a fake Password Sync Agent, breaching the sync agent functionality.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoho ManageEngine ADSelfService Plus: 6000 - 6123

CPE2.3

External links

https://www.manageengine.com/products/self-service-password/advisory/CVE-2021-37423.html
https://www.manageengine.com/products/self-service-password/release-notes.html#6200

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.

2) Information disclosure

EUVDB-ID: #VU63623

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor