PT-2021-17947 · Microsoft+1 · Windows+2

Published 2021-04-14 · Updated 2021-04-22 · CVE-2021-28826

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: TIBCO Messaging - Eclipse Mosquitto Distribution - Bridge - Community Edition versions 1.3.0 and below TIBCO Messaging - Eclipse Mosquitto Distribution - Bridge - Enterprise Edition versions 1.3.0 and below

Description: The Windows Installation component of TIBCO Software Inc.'s TIBCO Messaging - Eclipse Mosquitto Distribution - Bridge contains a vulnerability that allows a low privileged attacker with local access on some versions of the Windows operating system to insert malicious software. This vulnerability results from a lack of access restrictions on certain files and/or folders in the installation, allowing the affected component to execute the malicious software with elevated privileges.

Recommendations: For TIBCO Messaging - Eclipse Mosquitto Distribution - Bridge - Community Edition versions 1.3.0 and below, update to a version above 1.3.0 to resolve the issue. For TIBCO Messaging - Eclipse Mosquitto Distribution - Bridge - Enterprise Edition versions 1.3.0 and below, update to a version above 1.3.0 to resolve the issue.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-28826

Affected Products

Tibco Messaging - Eclipse Mosquitto Distribution - Bridge - Community Edition

Tibco Messaging - Eclipse Mosquitto Distribution - Bridge - Enterprise Edition

Windows

References · 4

• https://tibco.com/support/advisories/2021/04/tibco-security-advisory-april-14-2021-tibco-messaging-2021-28826 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-28826 · Vendor Advisory
• http://tibco.com/services/support/advisories · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-28826 · Security Note