Multiple vulnerabilities in Zoho ManageEngine SelfService Plus

Published: 2022-01-10

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-20147 CVE-2021-20148
CWE-ID	CWE-200
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	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) Information disclosure

EUVDB-ID: #VU59348

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20147

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an observable response discrepancy in the UMCP operation of the ChangePasswordAPI. A remote attacker can determine whether a Windows domain user exists.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zoho ManageEngine ADSelfService Plus: 6100 - 6115

External links

http://www.tenable.com/security/research/tra-2021-52

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: #VU59349