How severe is CVE-2021-37424?

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

Is CVE-2021-37424 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Zohocorp Manageengine Admanager Plus

CVE-2021-37424

ManageEngine ADSelfService Plus before 6112 is vulnerable to domain user account takeover.

Published 2021-09-21 · 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: 0.048 (91.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000

Affected products

Zohocorp Manageengine Admanager Plus — versions 6.1

Public proof-of-concept exploits

References

www.manageengine.com (Product, Vendor Advisory)
pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6112-hotf… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-37424?: CVE-2021-37424 is a critical-severity vulnerability in Zohocorp Manageengine Admanager Plus. CVSS score: 9.8/10. Published 2021-09-21.
How severe is CVE-2021-37424?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-37424 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.