RCE in Zohocorp Manageengine Applications Manager

CVE-2018-7890

A remote code execution issue was discovered in Zoho ManageEngine Applications Manager before 13.6 (build 13640). The publicly accessible testCredential.do endpoint takes multiple user inputs and validates supplied credentials by accessing a specified system. This endpoint calls several internal classes, and then executes a PowerShell script. If the specified system is OfficeSharePointServer, then the username and password parameters to this script are not validated, leading to Command Injection.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.788 (99.6th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-7890: rose from 0.762 to 0.788.

EPSS over last 30 days · oldest: 0.762 · newest: 0.788 · change: +0.026

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-7890?
CVE-2018-7890 is a critical-severity vulnerability in Zohocorp Manageengine Applications Manager, classified under OS Command Injection. CVSS score: 9.8/10. Published 2018-03-08.
How severe is CVE-2018-7890?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-7890 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.