CVE-2019-9837
6.1 · MEDIUMOverview
CVE-2019-9837 is a medium-severity vulnerability affecting openid openid_connect. It was published on March 21, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Doorkeeper::OpenidConnect (aka the OpenID Connect extension for Doorkeeper) 1.4.x and 1.5.x before 1.5.4 has an open redirect via the redirect_uri field in an OAuth authorization request (that results in an error response) with the 'openid' scope and a prompt=none value. This allows phishing attacks against the authorization flow.
Remediation
Check the references section for vendor advisories and patches from openid. Update openid_connect to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| openid | openid_connect | >= 1.4.0, < 1.5.4 | Affected |
References
Frequently Asked Questions
What is CVE-2019-9837?
CVE-2019-9837 is a medium-severity vulnerability affecting openid openid_connect. It was published on March 21, 2019 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
How severe is CVE-2019-9837?
This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2019-9837?
Check the references section for vendor advisories and patches from openid. Update openid_connect to the latest patched version. 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-2019-9837?
CyberStrike's AI-powered security agents can automatically detect CVE-2019-9837 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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