{"cve":{"cve_id":"CVE-2017-16687","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01302,"epss_percentile":0.66754,"epss_as_of":"2026-06-23","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.","published_at":"2017-12-12T14:00:00Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":null,"nvd_references":["https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/","https://launchpad.support.sap.com/#/notes/2549983","http://www.securityfocus.com/bid/102152"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:09:44.193395Z"},"effective_severity":null,"badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"sap","vendor_name":"SAP","product_slug":"sap-hana-extended-application-services","product_name":"SAP HANA Extended Application Services","version_start":"SAP HANA Database 1.00, 2.00","version_start_inclusive":true,"version_end":"SAP HANA Database 1.00, 2.00","version_end_inclusive":true,"cpe23_uri":"cve5:sap:sap-hana-extended-application-services:SAP HANA Database 1.00, 2.00:SAP HANA Database 1.00, 2.00"}],"exploit_refs":[],"news":[],"references":[{"url":"https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/","source_type":"MISC","tags":["patch"]},{"url":"https://launchpad.support.sap.com/#/notes/2549983","source_type":"MISC","tags":[]},{"url":"http://www.securityfocus.com/bid/102152","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2017-12-12T14:00:00Z","label":"CVE published","source":null}]}