{"id":"CVE-2023-28015","aliases":["EUVD-2023-31740","GHSA-j229-wfr9-8x24"],"status":"published","title":"HCL Domino AppDev Pack is susceptible to a User Account Enumeration vulnerability","description":"The HCL Domino AppDev Pack IAM service is susceptible to a User Account Enumeration vulnerability.   During a failed login attempt a difference in messages could allow an attacker to determine if the user is valid or not.  The attacker could use this information to focus a brute force attack on valid users.","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":0.0045,"percentile":0.39428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2023-05-23T21:25:09Z","modified":"2026-06-17T05:46:22Z","products":[{"vendor":"hcl","product":"domino_appdev_pack"},{"vendor":"hcl software","product":"domino appdev pack"}],"references":[{"url":"https://support.hcltechsw.com/csm?id=kb_article\u0026sysparm_article=KB0105093","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28015"},{"url":"https://github.com/advisories/GHSA-j229-wfr9-8x24"}],"sources":{"cve":[{"id":"CVE-2023-28015","title":"HCL Domino AppDev Pack is susceptible to a User Account Enumeration vulnerability","description":"The HCL Domino AppDev Pack IAM service is susceptible to a User Account Enumeration vulnerability.   During a failed login attempt a difference in messages could allow an attacker to determine if the user is valid or not.  The attacker could use this information to focus a brute force attack on valid users.\n","status":"published","published":"2023-05-23T21:25:09.044Z","modified":"2025-01-17T15:22:07.147Z","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":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-31740","description":"The HCL Domino AppDev Pack IAM service is susceptible to a User Account Enumeration vulnerability.   During a failed login attempt a difference in messages could allow an attacker to determine if the user is valid or not.  The attacker could use this information to focus a brute force attack on valid users.\n","status":"published","published":"2023-05-23T21:25:09Z","modified":"2025-01-17T15:22:07Z","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":"2026-11-03T00:04:17.068749Z"}],"ghsa":[{"id":"GHSA-j229-wfr9-8x24","title":"The HCL Domino AppDev Pack IAM service is susceptible to a User Account Enumeration vulnerability...","description":"The HCL Domino AppDev Pack IAM service is susceptible to a User Account Enumeration vulnerability.   During a failed login attempt a difference in messages could allow an attacker to determine if the user is valid or not.  The attacker could use this information to focus a brute force attack on valid users.\n","status":"published","published":"2023-07-06T21:15:04Z","modified":"2025-01-17T18:31:12Z","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":"2026-11-02T14:59:35.754921Z"}],"nvd":[{"id":"CVE-2023-28015","description":"The HCL Domino AppDev Pack IAM service is susceptible to a User Account Enumeration vulnerability.   During a failed login attempt a difference in messages could allow an attacker to determine if the user is valid or not.  The attacker could use this information to focus a brute force attack on valid users.\n","status":"published","published":"2023-05-23T22:15:09.12Z","modified":"2026-06-17T05:46:22.83Z","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":"2026-11-02T14:08:03.200773Z"}]}}