Is CVE-2021-37539 in the CISA KEV catalog?

No. CVE-2021-37539 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-37539?

CVE-2021-37539 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-37539?

CVE-2021-37539 has an EPSS score of 93.40% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-37539?

Upgrade manageengine admanager plus to 7.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-37539

CRITICALEPSS 100th pctl

9.8

CVSS v3

NVD

Description

Zoho ManageEngine ADManager Plus before 7111 is vulnerable to unrestricted file which leads to Remote code execution.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

manageengine admanager plusNVD

Affected:< 7.1Fixed in:7.1CVE-2021-37539derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

93.40%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Vendor Advisory1

manageengine.com

Product1

manageengine.com

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12617	High	8.1	100%	KEV	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.