CVE-2025-54391

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...

CVE-2025-54391

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...

CVE-2025-54391

CVE-2025-54391 affects Zimbra Collaboration (ZCS) via the EnableTwoFactorAuthRequest SOAP endpoint. The vulnerability allows an attacker with valid credentials to configure an additional 2FA method (third‑party authenticator app or email-based 2FA) without presenting a valid authentication token ...