CVE-2021-41833

Name: CVE-2021-41833
Creator: NVD / NIST
Published: 2021-11-11T05:15:09.483+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 7.76%

Last modified Jun 17, 2026

CVE-2021-41833 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Zoho ManageEngine Patch Connect Plus before 90099 is vulnerable to unauthenticated remote code execution.. EPSS estimates a 7.76% chance of exploitation in the next 30 days.

Description

Zoho ManageEngine Patch Connect Plus before 90099 is vulnerable to unauthenticated remote code execution.

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

7.76%

93.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Zohocorp	Manageengine Patch Connect Plus	< 9.0.0
Zohocorp	Manageengine Patch Connect Plus	9.0.0

References

Timeline

Published: Nov 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41833?

Zoho ManageEngine Patch Connect Plus before 90099 is vulnerable to unauthenticated remote code execution.

How severe is CVE-2021-41833?

CVE-2021-41833 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 7.76% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41833?

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-2021-41833?

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

Scan your code now

Source: NVD / NIST