How severe is CVE-2020-29658?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Zohocorp Manageengine Applications Control Plus

CVE-2020-29658

Zoho ManageEngine Application Control Plus before 100523 has an insecure SSL configuration setting for Nginx, leading to Privilege Escalation.

Published 2021-03-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.041 (90.4th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.037 · newest: 0.041 · change: +0.004

Affected products

Zohocorp Manageengine Applications Control Plus

References

www.manageengine.com/application-control/knowledge-base/privilege-escalation-vu… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-29658?: CVE-2020-29658 is a critical-severity vulnerability in Zohocorp Manageengine Applications Control Plus. CVSS score: 9.8/10. Published 2021-03-05.
How severe is CVE-2020-29658?: Critical severity. CVSS v3 base score is 9.8 out of 10.