{"id":"CVE-2020-3931","aliases":["EUVD-2020-25196","GHSA-j9mx-25jx-xgrh"],"status":"published","title":"GeoVision Door Access Control Device - Buffer overflow vulnerability","description":"Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01766,"percentile":0.78232,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2020-07-08T10:05:21Z","modified":"2026-06-17T03:19:17Z","products":[{"vendor":"geovision","product":"door access control device"},{"vendor":"geovision","product":"gv-as1010_firmware"},{"vendor":"geovision","product":"gv-as210_firmware"},{"vendor":"geovision","product":"gv-as410_firmware"},{"vendor":"geovision","product":"gv-as810_firmware"},{"vendor":"geovision","product":"gv-gf1921_firmware"},{"vendor":"geovision","product":"gv-gf1922_firmware"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-3754-b77d0-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.acronis.com/en-us/blog/posts/backdoor-wide-open-critical-vulnerabilities-uncovered-geovision","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-3931"},{"url":"https://github.com/advisories/GHSA-j9mx-25jx-xgrh"}],"sources":{"cve":[{"id":"CVE-2020-3931","title":"GeoVision Door Access Control Device - Buffer overflow vulnerability","description":"Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.","status":"published","published":"2020-07-08T10:05:21.03Z","modified":"2024-09-16T17:23:37.841Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:35:51.923913Z"}],"euvd":[{"id":"EUVD-2020-25196","description":"Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.","status":"published","published":"2020-07-08T10:05:21Z","modified":"2024-09-16T17:23:37Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:55:42.486621Z"}],"ghsa":[{"id":"GHSA-j9mx-25jx-xgrh","title":"Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote...","description":"Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.","status":"published","published":"2022-05-24T17:22:36Z","modified":"2023-01-29T05:03:19Z","updated_at":"2026-11-02T14:45:17.6265Z"}],"nvd":[{"id":"CVE-2020-3931","description":"Buffer overflow exists in Geovision Door Access Control device family, an unauthenticated remote attacker can execute arbitrary command.","status":"published","published":"2020-07-08T10:15:10.24Z","modified":"2026-06-17T03:19:17.097Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:09.126752Z"}]}}