Authentication bypass in Zoho ManageEngine Applications Manager and OpManager
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2019-15106 |
| CWE-ID | CWE-287 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
ManageEngine Applications Manager Server applications / Remote management servers, RDP, SSH Zoho ManageEngine OpManager Client/Desktop applications / Other client software |
| Vendor | Zoho Corporation |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Improper Authentication
EUVDB-ID: #VU21880
Risk: High
CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2019-15106
CWE-ID:
CWE-287 - Improper Authentication
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper implementation of authentication process that relies on username+'@opm' string to be used as password within the Application Manager Plugin used in ManageEngine OpManager and Applications Manager. A remote attacker can bypass authentication process and execute arbitrary commands on the system with privileges of the user account.
Install updates from vendor's website.
Vulnerable software versionsManageEngine Applications Manager : 11.0 11010 - 14.3 14300
Zoho ManageEngine OpManager: 12.3 12300 - 12.4 124069
CPE2.3- cpe:2.3:a:zohocorp:zoho_manageengine_opmanager:12.4 124069:*:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:zoho_manageengine_opmanager:12.3.123240:*:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_applications_manager:14.3 14300:*:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_applications_manager:14.2 14290:*:*:*:*:*:*:*
- cpe:2.3:a:zohocorp:manageengine_applications_manager:14.2 14280:*:*:*:*:*:*:*
http://pentest.com.tr/exploits/DEFCON-ManageEngine-OpManager-v12-4-Unauthenticated-Remote-Command-Execution.html
http://www.manageengine.com/network-monitoring/security-updates/cve-2019-15106.html
http://www.manageengine.com/products/applications_manager/security-updates/security-updates-cve-2019-15106.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
