{"id":"CVE-2024-24766","aliases":["EUVD-2024-0898","GHSA-c967-2652-gfjm","GO-2024-2615"],"status":"published","title":"CasaOS Username Enumeration","description":"CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error `**User does not exist**`.  If the password is incorrect application gives the error `**Invalid password**`.  Version 0.4.7 fixes this issue.","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00758,"percentile":0.55556,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-203","CWE-204"],"published":"2024-03-06T15:23:53Z","modified":"2026-10-28T02:30:58Z","fixes":[{"ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-UserService","fixed_in":["0.4.7"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-UserService","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.4.4.3"},{"fixed":"0.4.7"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-UserService","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.4.4.3"},{"fixed":"0.4.7"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/IceWhaleTech/CasaOS-UserService","ranges":[{"type":"SEMVER","events":[{"introduced":"0.4.4-3-alpha1"},{"fixed":"0.4.7"}]}]}],"products":[{"vendor":"icewhale","product":"casaos-userservice"},{"vendor":"icewhaletech","product":"casaos-userservice"}],"references":[{"url":"https://github.com/IceWhaleTech/CasaOS-UserService/security/advisories/GHSA-c967-2652-gfjm","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory","web"]},{"url":"https://github.com/IceWhaleTech/CasaOS-UserService/commit/c75063d7ca5800948e9c09c0a6efe9809b5d39f7","tags":["x_refsource_MISC","x_transferred","Patch","fix","web"]},{"url":"https://github.com/IceWhaleTech/CasaOS-UserService/releases/tag/v0.4.7","tags":["x_refsource_MISC","x_transferred","Release Notes","web"]},{"url":"https://github.com/IceWhaleTech/CasaOS-UserService/security/advisories/GHSA-hcw2-2r9c-gc6p","tags":["Exploit","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-24766","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-c967-2652-gfjm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/24xxx/CVE-2024-24766.json","tags":["advisory"]},{"url":"https://github.com/IceWhaleTech/CasaOS-UserService","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-24766","title":"CasaOS Username Enumeration","description":"CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error `**User does not exist**`.  If the password is incorrect application gives the error `**Invalid password**`.  Version 0.4.7 fixes this issue.","status":"published","published":"2024-03-06T18:10:25.869Z","modified":"2024-08-01T23:28:11.932Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:34:13.991836Z"}],"euvd":[{"id":"EUVD-2024-0898","description":"CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error `**User does not exist**`.  If the password is incorrect application gives the error `**Invalid password**`.  Version 0.4.7 fixes this issue.","status":"published","published":"2024-03-06T18:10:25Z","modified":"2024-08-01T23:28:11Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:50:28.273902Z"}],"ghsa":[{"id":"GHSA-c967-2652-gfjm","title":"CasaOS Username Enumeration","description":"### Summary\n\nThe Casa OS Login page has disclosed the username enumeration vulnerability in the login page.\n\n### Details\n\nIt is observed that the attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error \"**User does not exist**\",  If the password is incorrect application gives the error \"**Invalid password**\". \n\n### PoC\n\nCapture the login request in a tool like Burp Suit and use the intruder tab for trying multiple usernames. \nKeep checking the response of each request if the response says **Invalid password** then the username is right.\n\n### Impact\n\nUsing this error attacker can enumerate the username of CasaOS. \n\n### The logic behind the issue\n\nIf the username is incorrect, then throw an error \"User does not exist\" else throw an error \"Invalid password\".\n\nThis condition can be vice versa like:\n\nIf the password is incorrect, then throw an error \"Invalid password\" else throw an error \"User does not exist\".\n\n### Mitigation\n\nSince this is the condition we have to implement a single error which can be \"Username/Password is Incorrect!!!\"\n\n\n\n","status":"published","published":"2024-03-06T15:23:53Z","modified":"2024-03-14T21:43:21Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T14:37:40.81935Z"}],"nvd":[{"id":"CVE-2024-24766","description":"CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error `**User does not exist**`.  If the password is incorrect application gives the error `**Invalid password**`.  Version 0.4.7 fixes this issue.","status":"published","published":"2024-03-06T19:15:07.29Z","modified":"2026-06-17T07:14:48.997Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-204","CWE-203"],"updated_at":"2026-11-02T14:09:39.488031Z"}],"osv":[{"id":"CVE-2024-24766","title":"CasaOS Username Enumeration","description":"CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error `**User does not exist**`.  If the password is incorrect application gives the error `**Invalid password**`.  Version 0.4.7 fixes this issue.","status":"published","published":"2024-03-06T18:10:25.869Z","modified":"2026-10-28T02:30:58.236547523Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T15:44:38.897406Z"},{"id":"GHSA-c967-2652-gfjm","title":"CasaOS Username Enumeration","description":"### Summary\n\nThe Casa OS Login page has disclosed the username enumeration vulnerability in the login page.\n\n### Details\n\nIt is observed that the attacker can enumerate the CasaOS username using the application response. If the username is incorrect application gives the error \"**User does not exist**\",  If the password is incorrect application gives the error \"**Invalid password**\". \n\n### PoC\n\nCapture the login request in a tool like Burp Suit and use the intruder tab for trying multiple usernames. \nKeep checking the response of each request if the response says **Invalid password** then the username is right.\n\n### Impact\n\nUsing this error attacker can enumerate the username of CasaOS. \n\n### The logic behind the issue\n\nIf the username is incorrect, then throw an error \"User does not exist\" else throw an error \"Invalid password\".\n\nThis condition can be vice versa like:\n\nIf the password is incorrect, then throw an error \"Invalid password\" else throw an error \"User does not exist\".\n\n### Mitigation\n\nSince this is the condition we have to implement a single error which can be \"Username/Password is Incorrect!!!\"\n\n\n\n","status":"published","published":"2024-03-06T15:23:53Z","modified":"2026-09-10T03:50:10.318117185Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-204"],"updated_at":"2026-11-02T15:46:44.927642Z"},{"id":"GO-2024-2615","title":"Username enumeration in github.com/IceWhaleTech/CasaOS-UserService","description":"CasaOS-UserService is vulnerable to a username enumeration issue, when an attacker can enumerate the CasaOS username using the application response. If the username is incorrect, the application gives the error 'User does not exist'. If the password is incorrect, the application gives the error 'Invalid password'.","status":"published","published":"2024-03-14T17:12:59Z","modified":"2024-05-20T16:03:47Z","updated_at":"2026-11-02T15:47:01.453823Z"}]}}