#VU51685 Improper access control in TIBCO products - CVE-2021-28821

Vulnerability identifier: #VU51685

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-28821

CWE-ID: CWE-284

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 gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions on certain files and/or folders in the Windows Installation component. A local user can insert malicious software and gain full access to the Windows operating system.

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
https://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.