CVE-2024-32868: ZITADEL's Improper Lockout Mechanism Leads to MFA Bypass

April 25, 2024

ZITADEL provides users the possibility to use Time-based One-Time-Password (TOTP) and One-Time-Password (OTP) through SMS and Email.

While ZITADEL already gives administrators the option to define a Lockout Policy with a maximum amount of failed password check attempts, there was no such mechanism for (T)OTP checks.

References

github.com/advisories/GHSA-7j7j-66cv-m239
github.com/zitadel/zitadel
github.com/zitadel/zitadel/security/advisories/GHSA-7j7j-66cv-m239
nvd.nist.gov/vuln/detail/CVE-2024-32868

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