cvedb.io
CVE-2025-54391
CRITICAL · CVSS 9.1
EPSS exploitation probability: 0%
Published 2025-09-16T21:15:33.880 · Last modified 2026-06-17T09:40:00.457

Summary

A vulnerability in the EnableTwoFactorAuthRequest SOAP endpoint of Zimbra Collaboration (ZCS) allows an attacker with valid user credentials to bypass Two-Factor Authentication (2FA) protection. The attacker can configure an additional 2FA method (either a third-party authenticator app or email-based 2FA) without presenting a valid authentication token or proving access to an already configured 2FA method. This bypasses 2FA and results in unauthorized access to accounts that are otherwise protected by 2FA.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.