PT-2021-17942 · Microsoft+1 · Windows+3

Published 2021-03-23 · Updated 2021-03-29 · CVE-2021-28821

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 Enterprise Message Service versions 8.5.1 and below TIBCO Enterprise Message Service - Community Edition versions 8.5.1 and below TIBCO Enterprise Message Service - Developer Edition versions 8.5.1 and below

Description: The Windows Installation component of TIBCO Software Inc.'s TIBCO Enterprise Message Service, TIBCO Enterprise Message Service - Community Edition, and TIBCO Enterprise Message Service - Developer 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.

Recommendations: For TIBCO Enterprise Message Service versions 8.5.1 and below, consider restricting access to the Windows Installation component to minimize the risk of exploitation. For TIBCO Enterprise Message Service - Community Edition versions 8.5.1 and below, consider restricting access to the Windows Installation component to minimize the risk of exploitation. For TIBCO Enterprise Message Service - Developer Edition versions 8.5.1 and below, consider restricting access to the Windows Installation component to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2021-28821

Affected Products

Tibco Enterprise Message Service

Tibco Enterprise Message Service - Community Edition

Tibco Enterprise Message Service - Developer Edition

Windows

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-28821 · Security Note
• https://osv.dev/vulnerability/CVE-2021-28821 · Vendor Advisory
• http://tibco.com/services/support/advisories · Vendor Advisory
• https://t.me/cvenotify/12259 · Telegram Post
• https://t.me/cibsecurity/25357 · Telegram Post