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CVE-2021-21329

8.7 · HIGH

RATCF is an open-source framework for hosting Cyber-Security Capture the Flag events.

Published Mar 8, 2021CWE-287EPSS 1.62%

Overview

CVE-2021-21329 is a high-severity vulnerability. It was published on March 8, 2021 and has a CVSS 3.1 base score of 8.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

RATCF is an open-source framework for hosting Cyber-Security Capture the Flag events. In affected versions of RATCF users with multi factor authentication enabled are able to log in without a valid token. This is fixed in commit cebb67b.

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/ractf/core/commit/c57a4d186bfc586ad3edfe4dcba9f11efbf22f09#diff-60c444c47c061306f2dff5bf97c07810f40f949a8e94ecbb609b6b29364c8642R130-R152GitHubgithub.com/ractf/core/commit/cebb67bd16a8296121201805332365ffccb29638GitHubgithub.com/ractf/core/security/advisories/GHSA-fw57-f7mq-9q85GitHubgithub.com/ractf/core/commit/c57a4d186bfc586ad3edfe4dcba9f11efbf22f09#diff-60c444c47c061306f2dff5bf97c07810f40f949a8e94ecbb609b6b29364c8642R130-R152GitHubgithub.com/ractf/core/commit/cebb67bd16a8296121201805332365ffccb29638GitHubgithub.com/ractf/core/security/advisories/GHSA-fw57-f7mq-9q85

How CyberStrike helps

Frequently asked questions

What is CVE-2021-21329?

CVE-2021-21329 is a high-severity vulnerability. It was published on March 8, 2021 and has a CVSS 3.1 base score of 8.7 (HIGH).

How severe is CVE-2021-21329?

This vulnerability has a CVSS 3.1 base score of 8.7, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-21329?

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-2021-21329?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-21329 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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