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CVE-2019-3990

4.3 · MEDIUM

A User Enumeration flaw exists in Harbor.

Published Dec 3, 2019CWE-269EPSS 1.04%

Overview

CVE-2019-3990 is a medium-severity vulnerability. It was published on December 3, 2019 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A User Enumeration flaw exists in Harbor. The issue is present in the "/users" API endpoint. This endpoint is supposed to be restricted to administrators. This restriction is able to be bypassed and information can be obtained about registered users can be obtained via the "search" functionality.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/goharbor/harbor/security/advisories/GHSA-6qj9-33j4-rvhgRefwww.tenable.com/security/research/tra-2019-50GitHubgithub.com/goharbor/harbor/security/advisories/GHSA-6qj9-33j4-rvhgRefwww.tenable.com/security/research/tra-2019-50

How CyberStrike helps

Frequently asked questions

What is CVE-2019-3990?

CVE-2019-3990 is a medium-severity vulnerability. It was published on December 3, 2019 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2019-3990?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-3990?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-3990?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-3990 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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