{"id":"CVE-2023-24030","aliases":["EUVD-2023-28094","GHSA-p8fv-37q7-2pr7"],"status":"published","title":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite...","description":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. 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 if url sanitisation is bypassed in incoming requests. NOTE: this is similar, but not identical, to CVE-2021-34807.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00393,"percentile":0.3381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2023-06-15T00:00:00Z","modified":"2026-10-28T02:31:01Z","products":[{"vendor":"zimbra","product":"collaboration"}],"references":[{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://wiki.zimbra.com/wiki/Security_Center","tags":["x_transferred","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-24030","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p8fv-37q7-2pr7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/24xxx/CVE-2023-24030.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-24030","description":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. 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 if url sanitisation is bypassed in incoming requests. NOTE: this is similar, but not identical, to CVE-2021-34807.","status":"published","published":"2023-06-15T00:00:00Z","modified":"2024-12-18T16:27:59.256Z","updated_at":"2026-11-02T14:35:26.63732Z"}],"euvd":[{"id":"EUVD-2023-28094","description":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. 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 if url sanitisation is bypassed in incoming requests. NOTE: this is similar, but not identical, to CVE-2021-34807.","status":"published","published":"2023-06-15T00:00:00Z","modified":"2024-12-18T16:27:59Z","updated_at":"2026-11-03T00:04:34.09119Z"}],"ghsa":[{"id":"GHSA-p8fv-37q7-2pr7","title":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite...","description":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. 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 if url sanitisation is bypassed in incoming requests. NOTE: this is similar, but not identical, to CVE-2021-34807.","status":"published","published":"2023-06-15T21:30:25Z","modified":"2024-04-04T04:53:25Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:56:27.816836Z"}],"nvd":[{"id":"CVE-2023-24030","description":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. 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 if url sanitisation is bypassed in incoming requests. NOTE: this is similar, but not identical, to CVE-2021-34807.","status":"published","published":"2023-06-15T21:15:09.51Z","modified":"2026-06-17T05:38:31.003Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:08:06.335469Z"}],"osv":[{"id":"CVE-2023-24030","description":"An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. 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 if url sanitisation is bypassed in incoming requests. NOTE: this is similar, but not identical, to CVE-2021-34807.","status":"published","published":"2023-06-15T00:00:00Z","modified":"2026-10-28T02:31:01.51471597Z","updated_at":"2026-11-02T15:44:30.709518Z"}]}}