CVE-2021-37415

Name: CVE-2021-37415
Creator: NVD / NIST
Published: 2021-09-01T06:15:06.53+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10Actively ExploitedEPSS 99.85%

Last modified Jun 17, 2026

CVE-2021-37415 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.85% chance of exploitation in the next 30 days.

Description

Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

99.85%

100.0th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Dec 15, 2021.

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Zohocorp	Manageengine Servicedesk Plus	11.0	11005
Zohocorp	Manageengine Servicedesk Plus	11.1	—
Zohocorp	Manageengine Servicedesk Plus	11.2	—
Zohocorp	Manageengine Servicedesk Plus	11.3	—

References

https://www.manageengine.comProduct
https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302Release Notes
https://www.manageengine.comProduct
https://www.manageengine.com/products/service-desk/on-premises/readme.html#11302Release Notes
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-37415US Government Resource

Timeline

Published: Sep 1, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-37415?

Zoho ManageEngine ServiceDesk Plus before 11302 is vulnerable to authentication bypass that allows a few REST-API URLs without authentication.

How severe is CVE-2021-37415?

CVE-2021-37415 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 99.85% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2021-37415?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37415?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST