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Vulnerability record · CVE-2021-28821 · published 23 March 2021

CVE-2021-28821: Tibco enterprise message service incorrect authorization vulnerability

Tibco · Enterprise Message Service

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. Affected releases are TIBCO Software Inc.'s TIBCO Enterprise Message Service: versions 8.5.1 and below, TIBCO Enterprise Message Service - Community Edition: versions 8.5.1 and below, and TIBCO Enterprise Message Service - Developer Edition: versions 8.5.1 and below.

7.8 CVSS 3.1 High EPSS 0.22% · top 89.1% CWE-863 · Incorrect authorization
7.8CVSS 3.1 base score, v2 4.6
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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. Affected releases are TIBCO Software Inc.'s TIBCO Enterprise Message Service: versions 8.5.1 and below, TIBCO Enterprise Message Service - Community Edition: versions 8.5.1 and below, and TIBCO Enterprise Message Service - Developer Edition: versions 8.5.1 and below.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.tibco.com/services/support/advisories Vendor Advisory
http://www.tibco.com/services/support/advisories Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-1291Tibco enterprise message service memory buffer overflow vulnerabilityStack-based buffer overflow in TIBCO SmartSockets before 6.8.2, SmartSockets Product Family (aka RTworks) before 4.0.5, and Enterprise Message Servic…EPSS 6.4%10.0CVE-2008-1704Tibco enterprise message service memory buffer overflow vulnerabilityMultiple buffer overflows in TIBCO Software Enterprise Message Service (EMS) before 4.4.3, and iProcess Engine 10.6.0 through 10.6.1, allow remote at…EPSS 5.4%10.0CVE-2007-5655Tibco rtworks memory buffer overflow vulnerabilityTIBCO SmartSockets RTserver 6.8.0 and earlier, RTworks before 4.0.4, and Enterprise Message Service (EMS) 4.0.0 through 4.4.1 allows remote attackers…EPSS 5.6%10.0CVE-2007-5656Tibco enterprise message service vulnerabilityTIBCO SmartSockets RTserver 6.8.0 and earlier, RTworks before 4.0.4, and Enterprise Message Service (EMS) 4.0.0 through 4.4.1 allows remote attackers…EPSS 5.4%10.0CVE-2007-5657Tibco rtworks improper input validation vulnerabilityTIBCO SmartSockets RTserver 6.8.0 and earlier, RTworks before 4.0.4, and Enterprise Message Service (EMS) 4.0.0 through 4.4.1 allows remote attackers…EPSS 5.6%10.0CVE-2007-5658Tibco enterprise message service improper input validation vulnerabilityHeap-based buffer overflow in TIBCO SmartSockets RTserver 6.8.0 and earlier, RTworks before 4.0.4, and Enterprise Message Service (EMS) 4.0.0 through…EPSS 6.4%8.8CVE-2018-12415Tibco enterprise message service cross-site request forgery vulnerabilityThe Central Administration server (emsca) component of TIBCO Software Inc.'s TIBCO Enterprise Message Service, TIBCO Enterprise Message Service - Com…EPSS 0.87%8.8CVE-2016-3628Tibco enterprise message service appliance firmware memory buffer overflow vulnerabilityBuffer overflow in tibemsd in the server in TIBCO Enterprise Message Service (EMS) before 8.3.0 and EMS Appliance before 2.4.0 allows remote authenti…EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2021-28821), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.