{"id":"CVE-2024-49358","aliases":["EUVD-2024-43400","GHSA-3f6g-8r88-3mx5"],"status":"published","title":"ZimaOS vulnerable to Username Enumeration via API Responses","description":"ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.2.4 and all prior versions, the API endpoint `http://\u003cServer-IP\u003e/v1/users/login` in ZimaOS returns distinct responses based on whether a username exists or the password is incorrect. This behavior can be exploited for username enumeration, allowing attackers to determine whether a user exists in the system or not. Attackers can leverage this information in further attacks, such as credential stuffing or targeted password brute-forcing. As of time of publication, no known patched versions are available.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00475,"percentile":0.41381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2024-10-24T21:25:57Z","modified":"2026-10-28T02:30:31Z","products":[{"vendor":"icewhaletech","product":"zimaos"},{"vendor":"zimaspace","product":"zimaos"}],"references":[{"url":"https://github.com/IceWhaleTech/ZimaOS/security/advisories/GHSA-3f6g-8r88-3mx5","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory"]},{"url":"https://youtu.be/BClx2u8DMfM","tags":["x_refsource_MISC","Exploit","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49358.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-49358","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-49358","title":"ZimaOS vulnerable to Username Enumeration via API Responses","description":"ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.2.4 and all prior versions, the API endpoint `http://\u003cServer-IP\u003e/v1/users/login` in ZimaOS returns distinct responses based on whether a username exists or the password is incorrect. This behavior can be exploited for username enumeration, allowing attackers to determine whether a user exists in the system or not. Attackers can leverage this information in further attacks, such as credential stuffing or targeted password brute-forcing. As of time of publication, no known patched versions are available.","status":"published","published":"2024-10-24T21:25:57.32Z","modified":"2024-10-25T17:28:49.916Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:33:55.977982Z"}],"euvd":[{"id":"EUVD-2024-43400","description":"ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.2.4 and all prior versions, the API endpoint `http://\u003cServer-IP\u003e/v1/users/login` in ZimaOS returns distinct responses based on whether a username exists or the password is incorrect. This behavior can be exploited for username enumeration, allowing attackers to determine whether a user exists in the system or not. Attackers can leverage this information in further attacks, such as credential stuffing or targeted password brute-forcing. As of time of publication, no known patched versions are available.","status":"published","published":"2024-10-24T21:25:57Z","modified":"2024-10-25T17:28:49Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:17.791345Z"}],"nvd":[{"id":"CVE-2024-49358","description":"ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.2.4 and all prior versions, the API endpoint `http://\u003cServer-IP\u003e/v1/users/login` in ZimaOS returns distinct responses based on whether a username exists or the password is incorrect. This behavior can be exploited for username enumeration, allowing attackers to determine whether a user exists in the system or not. Attackers can leverage this information in further attacks, such as credential stuffing or targeted password brute-forcing. As of time of publication, no known patched versions are available.","status":"published","published":"2024-10-24T22:15:04.083Z","modified":"2026-06-17T07:59:45.63Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:10:34.877798Z"}],"osv":[{"id":"CVE-2024-49358","title":"ZimaOS vulnerable to Username Enumeration via API Responses","description":"ZimaOS is a fork of CasaOS, an operating system for Zima devices and x86-64 systems with UEFI. In version 1.2.4 and all prior versions, the API endpoint `http://\u003cServer-IP\u003e/v1/users/login` in ZimaOS returns distinct responses based on whether a username exists or the password is incorrect. This behavior can be exploited for username enumeration, allowing attackers to determine whether a user exists in the system or not. Attackers can leverage this information in further attacks, such as credential stuffing or targeted password brute-forcing. As of time of publication, no known patched versions are available.","status":"published","published":"2024-10-24T21:25:57.32Z","modified":"2026-10-28T02:30:31.339432802Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T15:44:43.597758Z"}]}}