What’s Vulnerable › Vulnerabilities

CVE-2021-42099

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-30 · updated 2026-06-17
• Weakness: CWE-434

Description

Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.

Affected products

• Zohocorp ManageEngine M365 Manager Plus: build_4000, build_4001, build_4002, build_4003, build_4004, build_4005 (+97)

References

• https://www.manageengine.com
• https://www.manageengine.com/microsoft-365-management-reporting/release-notes.html#4421
• https://www.manageengine.com
• https://www.manageengine.com/microsoft-365-management-reporting/release-notes.html#4421

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