CSRF in Mybb-2fa Project

CVE-2019-12363

An CSRF issue was discovered in the JN-Jones MyBB-2FA plugin through 2014-11-05 for MyBB. An attacker can forge a request to an installed mybb2fa plugin to control its state via usercp.php?action=mybb2fa&do=deactivate (or usercp.php?action=mybb2fa&do=activate). A deactivate operation lowers the security of the targeted account by disabling two factor authentication.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-12363?
CVE-2019-12363 is a high-severity vulnerability in Mybb-2fa Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-07-11.
How severe is CVE-2019-12363?
High severity. CVSS v3 base score is 8.8 out of 10.