{"id":"CVE-2026-9853","aliases":["EUVD-2026-70320","GHSA-9hq3-8gr4-57hv"],"status":"published","title":"A vulnerability exists in SYS600 which allows any user authenticated to the operating system of...","description":"A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself.\n\nOnly the SYS600 system users should be permitted to view and modify application objects.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00144,"percentile":0.0374,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-303"],"published":"2026-09-03T07:53:35Z","modified":"2026-09-09T21:31:16Z","products":[{"vendor":"hitachi energy","product":"microscada sys600"},{"vendor":"hitachienergy","product":"microscada_x_sys600"}],"references":[{"url":"https://publisher.hitachienergy.com/preview?DocumentID=8DBD000249\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9853"},{"url":"https://github.com/advisories/GHSA-9hq3-8gr4-57hv"}],"sources":{"cve":[{"id":"CVE-2026-9853","description":"A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself.\n\nOnly the SYS600 system users should be permitted to view and modify application objects.","status":"published","published":"2026-09-03T07:53:35.276Z","modified":"2026-09-03T12:49:23.783Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T13:42:49.132798Z"}],"euvd":[{"id":"EUVD-2026-70320","description":"A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself.\n\nOnly the SYS600 system users should be permitted to view and modify application objects.","status":"published","published":"2026-09-03T07:53:35Z","modified":"2026-09-03T12:49:23Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:14.198061Z"}],"ghsa":[{"id":"GHSA-9hq3-8gr4-57hv","title":"A vulnerability exists in SYS600 which allows any user authenticated to the operating system of...","description":"A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself.\n\nOnly the SYS600 system users should be permitted to view and modify application objects.","status":"published","published":"2026-09-03T15:32:22Z","modified":"2026-09-09T21:31:16Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T15:11:40.005602Z"}],"nvd":[{"id":"CVE-2026-9853","description":"A vulnerability exists in SYS600 which allows any user authenticated to the operating system of the server hosting the application to read and modify application objects without being authenticated to the SYS600 system itself.\n\nOnly the SYS600 system users should be permitted to view and modify application objects.","status":"published","published":"2026-09-03T13:06:25.943Z","modified":"2026-09-09T19:36:31.563Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-303"],"updated_at":"2026-11-02T14:12:43.399612Z"}]}}