Auth bypass in Ractf Core
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.
Vulnerability class: Broken Authentication
EPSS: 0.015 (70.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Ractf Core — versions >c57a4d186bfc586ad3edfe4dcba9f11efbf22f09, < cebb67bd16a8296121201805332365ffccb29638
- Ratcf
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21329?
- CVE-2021-21329 is a high-severity vulnerability in Ractf Core, classified under Improper Authentication. CVSS score: 8.7/10. Published 2021-03-08.
- How severe is CVE-2021-21329?
- High severity. CVSS v3 base score is 8.7 out of 10.