CVE-2021-28825

Name: CVE-2021-28825
Creator: NVD / NIST
Published: 2021-04-14T17:15:14.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2021-28825 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The Windows Installation component of TIBCO Software Inc.'s TIBCO Messaging - Eclipse Mosquitto Distribution - Core - Community Edition and TIBCO Messaging - Eclipse Mosquitto Distribution - Core - Enterprise Edition contains a vulnerability that theoretically allows a low privileged attacker with local access on some versions of the Windows operating system to insert malicious software. The affected component can be abused to execute the malicious software inserted by the attacker with the elevated privileges of the component. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

The Windows Installation component of TIBCO Software Inc.'s TIBCO Messaging - Eclipse Mosquitto Distribution - Core - Community Edition and TIBCO Messaging - Eclipse Mosquitto Distribution - Core - Enterprise Edition contains a vulnerability that theoretically allows a low privileged attacker with local access on some versions of the Windows operating system to insert malicious software. The affected component can be abused to execute the malicious software inserted by the attacker with the elevated privileges of the component. This vulnerability results from a lack of access restrictions on certain files and/or folders in the installation. Affected releases are TIBCO Software Inc.'s TIBCO Messaging - Eclipse Mosquitto Distribution - Core - Community Edition: versions 1.3.0 and below and TIBCO Messaging - Eclipse Mosquitto Distribution - Core - Enterprise Edition: versions 1.3.0 and below.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.23%

13.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Tibco	Messaging - Eclipse Mosquitto Distribution - Core	<= 1.3.0

References

http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-14-2021-tibco-messaging-2021-28825Vendor Advisory
http://www.tibco.com/services/support/advisoriesVendor Advisory
https://www.tibco.com/support/advisories/2021/04/tibco-security-advisory-april-14-2021-tibco-messaging-2021-28825Vendor Advisory

Timeline

Published: Apr 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28825?

How severe is CVE-2021-28825?

CVE-2021-28825 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28825?

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-2021-28825?

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

Scan your code now

Source: NVD / NIST