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CVE-2019-11027

9.8 · CRITICAL

Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw.

Published Jun 10, 2019EPSS 2.97%

Overview

CVE-2019-11027 is a critical-severity vulnerability. It was published on June 10, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. This library is used by Rails web applications to integrate with OpenID Providers. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the "example app" provided by the project are at highest risk.

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/openid/ruby-openid/issues/122Reflists.debian.org/debian-lts-announce/2019/10/msg00014.htmlRefmarc.info/?l=openid-security&m=155154717027534&w=2Refsecurity.gentoo.org/glsa/202003-09GitHubgithub.com/openid/ruby-openid/issues/122Reflists.debian.org/debian-lts-announce/2019/10/msg00014.htmlRefmarc.info/?l=openid-security&m=155154717027534&w=2Refsecurity.gentoo.org/glsa/202003-09

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11027?

CVE-2019-11027 is a critical-severity vulnerability. It was published on June 10, 2019 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2019-11027?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-11027?

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-2019-11027?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11027 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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