{"id":"CVE-2018-7531","aliases":["EUVD-2018-19260","GHSA-8jqc-vr4c-j88m"],"status":"published","title":"An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and...","description":"An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may use unvalidated custom requests to crash the server.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01384,"percentile":0.72358,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-03-14T18:00:00Z","modified":"2026-06-17T02:03:18Z","products":[{"vendor":"osisoft","product":"pi_data_archive"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-072-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/103399","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7531"},{"url":"https://github.com/advisories/GHSA-8jqc-vr4c-j88m"}],"sources":{"cve":[{"id":"CVE-2018-7531","description":"An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may use unvalidated custom requests to crash the server.","status":"published","published":"2018-03-14T18:00:00Z","modified":"2024-08-05T06:31:04.271Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:10.313768Z"}],"euvd":[{"id":"EUVD-2018-19260","description":"An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may use unvalidated custom requests to crash the server.","status":"published","published":"2018-03-14T18:00:00Z","modified":"2024-08-05T06:31:04Z","updated_at":"2026-11-03T02:40:05.625439Z"}],"ghsa":[{"id":"GHSA-8jqc-vr4c-j88m","title":"An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and...","description":"An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may use unvalidated custom requests to crash the server.","status":"published","published":"2022-05-13T01:31:51Z","modified":"2023-02-01T05:08:24Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:45.067904Z"}],"nvd":[{"id":"CVE-2018-7531","description":"An Improper Input Validation issue was discovered in OSIsoft PI Data Archive versions 2017 and prior. Unauthenticated users may use unvalidated custom requests to crash the server.","status":"published","published":"2018-03-14T18:29:00.733Z","modified":"2026-06-17T02:03:18.983Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:24.264003Z"}]}}