Is CVE-2021-28828 actively exploited?

No active exploitation of CVE-2021-28828 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-28828 be exploited remotely?

Yes. CVE-2021-28828 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-28828?

CVE-2021-28828 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2021-28828

HIGH

CVE-2021-28828

CWE-89Published: April 20, 2021· Updated: Jun 17, 2026

8.8

CVSS v3.1

Official Description

The Administration GUI component of TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric, TIBCO Administrator - Enterprise Edition for z/Linux, and TIBCO Administrator - Enterprise Edition for z/Linux contains an easily exploitable vulnerability that allows a low privileged attacker with network access to execute a SQL injection attack on the affected system. Affected releases are TIBCO Software Inc.'s TIBCO Administrator - Enterprise Edition: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.10.2 and below, TIBCO Administrator - Enterprise Edition Distribution for TIBCO Silver Fabric: versions 5.11.0 and 5.11.1, TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.10.2 and below, and TIBCO Administrator - Enterprise Edition for z/Linux: versions 5.11.0 and 5.11.1.

NVD Source

Technical Analysis

CVE-2021-28828 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.