What is the CVSS score of CVE-2021-28823?

CVE-2021-28823 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Eftl CVE-2021-28823

HIGH

Incorrect Authorization (CWE-863)

2021-03-23 security@tibco.com

Microsoft Authentication Bypass Eftl

7.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Mar 23, 2021 - 21:15 nvd

HIGH 7.8

DescriptionNVD

The Windows Installation component of TIBCO Software Inc.'s TIBCO eFTL - Community Edition, TIBCO eFTL - Developer Edition, and TIBCO eFTL - Enterprise 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 eFTL - Community Edition: versions 6.5.0 and below, TIBCO eFTL - Developer Edition: versions 6.5.0 and below, and TIBCO eFTL - Enterprise Edition: versions 6.5.0 and below.

AnalysisAI

Technical ContextAI

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. The Windows Installation component of TIBCO Software Inc.'s TIBCO eFTL - Community Edition, TIBCO eFTL - Developer Edition, and TIBCO eFTL - Enterprise 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 eFTL - Community Edition: versions 6.5.0 and below, TIBCO eFTL - Developer Edition: versions 6.5.0 and below, and TIBCO eFTL - Enterprise Edition: versions 6.5.0 and below. Affected products include: Tibco Eftl.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.