Vulnerability identifier: #VU51684

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28822

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Enterprise Message Service
Client/Desktop applications / Office applications
Enterprise Message Service Community Edition
Client/Desktop applications / Office applications
Enterprise Message Service Developer Edition
Client/Desktop applications / Office applications

Vendor: TIBCO

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the affected components search for run-time artifacts outside of the installation hierarchy. A local user can insert malicious software and gain full access to the Windows operating system.

This vulnerability affects the following components:

• Enterprise Message Service Server (tibemsd)
• Enterprise Message Service Central Administration (tibemsca)
• Enterprise Message Service JSON configuration generator (tibemsconf2json)
• Enterprise Message Service C API

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Enterprise Message Service : 5.1.0 - 8.5.1

Enterprise Message Service Community Edition: 5.1.0 - 8.5.1

Enterprise Message Service Developer Edition: 5.1.0 - 8.5.1

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External links
http://www.tibco.com/services/support/advisories

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.