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CVE-2021-32697

6.5 · MEDIUM

neos/forms is an open source framework to build web forms.

Published Jun 21, 2021CWE-20EPSS 1.12%

Overview

CVE-2021-32697 is a medium-severity vulnerability. It was published on June 21, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

neos/forms is an open source framework to build web forms. By crafting a special `GET` request containing a valid form state, a form can be submitted without invoking any validators. Form state is secured with an HMAC that is still verified. That means that this issue can only be exploited if Form Finishers cause side effects even if no form values have been sent. Form Finishers can be adjusted in a way that they only execute an action if the submitted form contains some expected data. Alternatively a custom Finisher can be added as first finisher. This regression was introduced with https://github.com/neos/form/commit/049d415295be8d4a0478ccba97dba1bb81649567

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/neos/form-ghsa-m5vx-8chx-qvmm/pull/1GitHubgithub.com/neos/form/commit/049d415295be8d4a0478ccba97dba1bb81649567GitHubgithub.com/neos/form/commit/69de4219b1f58157e2be6b05811463875d75c246GitHubgithub.com/neos/form/releases/tag/5.1.3GitHubgithub.com/neos/form/security/advisories/GHSA-m5vx-8chx-qvmmGitHubgithub.com/neos/form-ghsa-m5vx-8chx-qvmm/pull/1GitHubgithub.com/neos/form/commit/049d415295be8d4a0478ccba97dba1bb81649567GitHubgithub.com/neos/form/commit/69de4219b1f58157e2be6b05811463875d75c246GitHubgithub.com/neos/form/releases/tag/5.1.3GitHubgithub.com/neos/form/security/advisories/GHSA-m5vx-8chx-qvmm

How CyberStrike helps

Frequently asked questions

What is CVE-2021-32697?

CVE-2021-32697 is a medium-severity vulnerability. It was published on June 21, 2021 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2021-32697?

This vulnerability has a CVSS 3.1 base score of 6.5, 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-2021-32697?

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-2021-32697?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-32697 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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