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CVE-2020-15233

6.1 · MEDIUM

ORY Fosite is a security first OAuth2 & OpenID Connect framework for Go.

Published Oct 2, 2020CWE-20EPSS 0.80%

Overview

CVE-2020-15233 is a medium-severity vulnerability. It was published on October 2, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

ORY Fosite is a security first OAuth2 & OpenID Connect framework for Go. In Fosite from version 0.30.2 and before version 0.34.1, there is an issue in which an an attacker can override the registered redirect URL by performing an OAuth flow and requesting a redirect URL that is to the loopback adapter. Attackers can provide both custom URL query parameters to their loopback redirect URL, as well as actually overriding the host of the registered redirect URL. These attacks are only applicable in scenarios where the attacker has access over the loopback interface. This vulnerability has been patched in ORY Fosite v0.34.1.

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/ory/fosite/commit/cdee51ebe721bfc8acca0fd0b86b030ca70867bfGitHubgithub.com/ory/fosite/security/advisories/GHSA-rfq3-w54c-f9q5GitHubgithub.com/ory/fosite/commit/cdee51ebe721bfc8acca0fd0b86b030ca70867bfGitHubgithub.com/ory/fosite/security/advisories/GHSA-rfq3-w54c-f9q5

How CyberStrike helps

Frequently asked questions

What is CVE-2020-15233?

CVE-2020-15233 is a medium-severity vulnerability. It was published on October 2, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2020-15233?

This vulnerability has a CVSS 3.1 base score of 6.1, 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-2020-15233?

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-2020-15233?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-15233 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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