{"id":"CVE-2017-7934","aliases":["EUVD-2017-16905","GHSA-xhfj-8j4v-xmjj"],"status":"published","title":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive...","description":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Network Manager using older protocol versions contains a flaw that could allow a malicious user to authenticate with a server and then cause PI Network Manager to behave in an undefined manner.","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":"2026-11-08","score":0.02147,"percentile":0.82228,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2017-08-25T19:00:00Z","modified":"2026-06-17T01:25:30Z","products":[{"vendor":"osisoft","product":"pi_data_archive"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-164-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/99059","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7934"},{"url":"https://github.com/advisories/GHSA-xhfj-8j4v-xmjj"}],"sources":{"cve":[{"id":"CVE-2017-7934","description":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Network Manager using older protocol versions contains a flaw that could allow a malicious user to authenticate with a server and then cause PI Network Manager to behave in an undefined manner.","status":"published","published":"2017-08-25T19:00:00Z","modified":"2024-08-05T16:19:29.337Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:33:20.488433Z"}],"euvd":[{"id":"EUVD-2017-16905","description":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Network Manager using older protocol versions contains a flaw that could allow a malicious user to authenticate with a server and then cause PI Network Manager to behave in an undefined manner.","status":"published","published":"2017-08-25T19:00:00Z","modified":"2024-08-05T16:19:29Z","updated_at":"2026-11-03T02:39:06.470138Z"}],"ghsa":[{"id":"GHSA-xhfj-8j4v-xmjj","title":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive...","description":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Network Manager using older protocol versions contains a flaw that could allow a malicious user to authenticate with a server and then cause PI Network Manager to behave in an undefined manner.","status":"published","published":"2022-05-13T01:36:12Z","modified":"2023-02-01T05:08:41Z","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-287"],"updated_at":"2026-11-02T14:50:49.963472Z"}],"nvd":[{"id":"CVE-2017-7934","description":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Network Manager using older protocol versions contains a flaw that could allow a malicious user to authenticate with a server and then cause PI Network Manager to behave in an undefined manner.","status":"published","published":"2017-08-25T19:29:00.38Z","modified":"2026-06-17T01:25:30.543Z","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":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:03:57.82609Z"}]}}