Path traversal in Zoho ManageEngine OpManager

1) Path traversal

EUVDB-ID: #VU51384

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2021-20078

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the Spark Gateway component. A remote attacker can send a specially crafted HTTP request and delete arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Zoho ManageEngine OpManager: 12.5 125346

External links

http://www.manageengine.com/network-monitoring/help/read-me-complete.html#
http://www.tenable.com/security/research/tra-2021-10

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. However, proof of concept for this vulnerability is available.