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An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0. To exploit the vulnerability, an attacker would need to have obtained a valid zimbra auth token or a valid preauth token. Once the token is obtained, an attacker could redirect a user to any URL via isredirect=1&redirectURL= in conjunction with the token data (e.g., a valid authtoken= value).
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Zimbra Collaboration | — | Upgrade Zimbra Collaboration to the latest version | Jan 10, 2025 | Jul 2, 2021 |
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