CVE-2021-21329

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.

• CWE-287

• https://github.com/ractf/core/commit/c57a4d186bfc586ad3edfe4dcba9f11efbf22f09#diff-60c444c47c061306f2dff5bf97c07810f40f949a8e94ecbb609b6b29364c8642R130-R152Patch, Third Party Advisory
• https://github.com/ractf/core/commit/cebb67bd16a8296121201805332365ffccb29638Patch, Third Party Advisory
• https://github.com/ractf/core/security/advisories/GHSA-fw57-f7mq-9q85Patch, Third Party Advisory
• https://github.com/ractf/core/commit/c57a4d186bfc586ad3edfe4dcba9f11efbf22f09#diff-60c444c47c061306f2dff5bf97c07810f40f949a8e94ecbb609b6b29364c8642R130-R152Patch, Third Party Advisory
• https://github.com/ractf/core/commit/cebb67bd16a8296121201805332365ffccb29638Patch, Third Party Advisory
• https://github.com/ractf/core/security/advisories/GHSA-fw57-f7mq-9q85Patch, Third Party Advisory

Published

Mar 8, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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