{"id":"CVE-2020-7479","aliases":["EUVD-2020-28604","GHSA-pc87-89gv-xqj4"],"status":"published","title":"A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14...","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00509,"percentile":0.43775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2020-03-23T19:18:26Z","modified":"2026-06-17T03:24:51Z","products":[{"vendor":"schneider-electric","product":"interactive_graphical_scada_system"}],"references":[{"url":"https://www.se.com/ww/en/download/document/SEVD-2020-070-01/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-370/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7479"},{"url":"https://github.com/advisories/GHSA-pc87-89gv-xqj4"}],"sources":{"cve":[{"id":"CVE-2020-7479","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.","status":"published","published":"2020-03-23T19:18:26Z","modified":"2024-08-04T09:33:19.829Z","cwes":["CWE-306"],"updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-28604","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.","status":"published","published":"2020-03-23T19:18:26Z","modified":"2024-08-04T09:33:19Z","updated_at":"2026-11-03T03:07:59.603443Z"}],"ghsa":[{"id":"GHSA-pc87-89gv-xqj4","title":"A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14...","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.","status":"published","published":"2022-05-24T17:12:16Z","modified":"2023-01-27T05:07:49Z","cvss":[{"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-306"],"updated_at":"2026-11-02T14:43:11.926628Z"}],"nvd":[{"id":"CVE-2020-7479","description":"A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.","status":"published","published":"2020-03-23T20:15:12.45Z","modified":"2026-06-17T03:24:51.76Z","cvss":[{"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"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-306"],"updated_at":"2026-11-02T14:05:56.580228Z"}]}}