{"id":"CVE-2017-16687","aliases":["EUVD-2017-7871","GHSA-9pcr-j2qp-ppm8"],"status":"published","title":"The user self-service tools of SAP HANA extended application services, classic user self-service,...","description":"The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid.","severity":{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01302,"percentile":0.70657,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2017-12-12T14:00:00Z","modified":"2026-06-17T01:09:40Z","products":[{"vendor":"sap","product":"hana_database"},{"vendor":"sap","product":"sap hana extended application services"},{"vendor":"sap se","product":"sap hana extended application services"}],"references":[{"url":"https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://launchpad.support.sap.com/#/notes/2549983","tags":["x_refsource_CONFIRM","x_transferred","Permissions Required","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/102152","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16687"},{"url":"https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017"},{"url":"https://github.com/advisories/GHSA-9pcr-j2qp-ppm8"}],"sources":{"cve":[{"id":"CVE-2017-16687","description":"The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid.","status":"published","published":"2017-12-12T14:00:00Z","modified":"2024-09-16T23:41:51.057Z","updated_at":"2026-11-02T14:33:21.142987Z"}],"euvd":[{"id":"EUVD-2017-7871","description":"The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid.","status":"published","published":"2017-12-12T14:00:00Z","modified":"2024-09-16T23:41:51Z","updated_at":"2026-11-03T00:54:47.592767Z"}],"ghsa":[{"id":"GHSA-9pcr-j2qp-ppm8","title":"The user self-service tools of SAP HANA extended application services, classic user self-service,...","description":"The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid.","status":"published","published":"2022-05-14T04:01:27Z","modified":"2025-04-20T03:49:49Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:01:56.152144Z"}],"nvd":[{"id":"CVE-2017-16687","description":"The user self-service tools of SAP HANA extended application services, classic user self-service, a part of SAP HANA Database versions 1.00 and 2.00, can be misused to enumerate valid and invalid user accounts. An unauthenticated user could use the error messages to determine if a given username is valid.","status":"published","published":"2017-12-12T14:29:00.607Z","modified":"2026-06-17T01:09:40.577Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:10.156892Z"}]}}