{"cve":"CVE-2017-7930","nvd":{"published":"2017-08-25T19:29:00.333","modified":"2026-06-17T01:25:30.083","status":"Modified","description":"An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Data Archive has protocol flaws with the potential to expose change records in the clear and allow a malicious party to spoof a server within a collective.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4},"cwes":["CWE-287"],"references":["http://www.securityfocus.com/bid/99059","https://ics-cert.us-cert.gov/advisories/ICSA-17-164-02","http://www.securityfocus.com/bid/99059","https://ics-cert.us-cert.gov/advisories/ICSA-17-164-02"],"products":["osisoft:pi_data_archive"],"source":"nvd","synced_at":"2026-10-19T20:44:47.710380879+00:00"},"epss":{"cve":"CVE-2017-7930","score":0.02012,"percentile":0.80882,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}