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CVE-2019-3787

8.3 · HIGH

Cloud Foundry UAA, versions prior to 73.0.0, falls back to appending “unknown.org” to a user's email address when one is not provided and the user name does not contain an @ character.

Published Jun 19, 2019CWE-840EPSS 1.10%

Overview

CVE-2019-3787 is a high-severity vulnerability. It was published on June 19, 2019 and has a CVSS 3.0 base score of 8.3 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Cloud Foundry UAA, versions prior to 73.0.0, falls back to appending “unknown.org” to a user's email address when one is not provided and the user name does not contain an @ character. This domain is held by a private company, which leads to attack vectors including password recovery emails sent to a potentially fraudulent address. This would allow the attacker to gain complete control of the user's account.

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

Refwww.cloudfoundry.org/blog/cve-2019-3787Refwww.cloudfoundry.org/blog/cve-2019-3787

How CyberStrike helps

Frequently asked questions

What is CVE-2019-3787?

CVE-2019-3787 is a high-severity vulnerability. It was published on June 19, 2019 and has a CVSS 3.0 base score of 8.3 (HIGH).

How severe is CVE-2019-3787?

This vulnerability has a CVSS 3.0 base score of 8.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-3787?

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-2019-3787?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-3787 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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