What’s Vulnerable › Vulnerabilities

CVE-2021-37420

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-21 · updated 2026-06-17
• Weakness: CWE-306

Description

Zoho ManageEngine ADSelfService Plus before 6112 is vulnerable to mail spoofing.

Affected products

• Zohocorp ManageEngine ADManager Plus: before 6.1; 6.1, 6.1-6100, 6.1-6101, 6.1-6102, 6.1-6103, 6.1-6104 (+7) — fixed in 6.1

How to fix

Upgrade to a fixed version: Zohocorp ManageEngine ADManager Plus 6.1. Check the vendor advisory for mitigations.

References

• https://blog.stmcyber.com/vulns/cve-2021-37420/
• https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6112-hotfix-release
• https://www.manageengine.com
• https://blog.stmcyber.com/vulns/cve-2021-37420/
• https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6112-hotfix-release
• https://www.manageengine.com

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