What is CVE-2021-28821?

CVE-2021-28821 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-03-23.

How severe is CVE-2021-28821?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Microsoft Windows

CVE-2021-28821

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 theo…

Vulnerability class: Broken Access Control

EPSS: 0.002 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Microsoft Windows
Tibco Enterprise_message_service
Tibco Software Inc. Enterprise Message Service — versions unspecified
Tibco Software Inc. Enterprise Message Service - Community Edition — versions unspecified
Tibco Software Inc. Enterprise Message Service - Developer Edition — versions unspecified

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@tibco.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-28821?: CVE-2021-28821 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2021-03-23.
How severe is CVE-2021-28821?: High severity. CVSS v3 base score is 8.8 out of 10.