Is CVE-2021-37421 in the CISA KEV catalog?

No. CVE-2021-37421 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-37421?

CVE-2021-37421 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-37421?

CVE-2021-37421 has an EPSS score of 2.49% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-37421?

Upgrade manageengine adselfservice plus to 6.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-37421

CRITICALEPSS 83th pctl

9.8

CVSS v3

NVD

Description

Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access-restriction bypass.

CWE-345

How to fix

Remediation Available

manageengine adselfservice plusNVD

Affected:< 6.1Fixed in:6.1CVE-2021-37421derived from NVD

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

2.49%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Vendor Advisory1

pitstop.manageengine.com

Third-Party Advisory1

blog.stmcyber.com

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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.