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CVE-2018-8014

9.8 · CRITICAL

The defaults settings for the CORS filter provided in Apache Tomcat 9.0.0.M1 to 9.0.8, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, 7.0.41 to 7.0.88 are insecure and enable 'supportsCredentials' for all o…

Published May 16, 2018CWE-1188EPSS 21.31%

Overview

CVE-2018-8014 is a critical-severity vulnerability. It was published on May 16, 2018 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

The defaults settings for the CORS filter provided in Apache Tomcat 9.0.0.M1 to 9.0.8, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, 7.0.41 to 7.0.88 are insecure and enable 'supportsCredentials' for all origins. It is expected that users of the CORS filter will have configured it appropriately for their environment rather than using it in the default configuration. Therefore, it is expected that most users will not be impacted by this issue.

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

Reftomcat.apache.org/security-7.htmlReftomcat.apache.org/security-8.htmlReftomcat.apache.org/security-9.htmlRefwww.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlRefwww.securityfocus.com/bid/104203Refwww.securitytracker.com/id/1040998Refwww.securitytracker.com/id/1041888Refaccess.redhat.com/errata/RHSA-2018:2469Refaccess.redhat.com/errata/RHSA-2018:2470Refaccess.redhat.com/errata/RHSA-2018:3768

How CyberStrike helps

Frequently asked questions

What is CVE-2018-8014?

CVE-2018-8014 is a critical-severity vulnerability. It was published on May 16, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-8014?

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-2018-8014?

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-2018-8014?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-8014 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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