{"id":"CVE-2020-27383","aliases":["EUVD-2020-19895","GHSA-mqmr-qq67-c6hj"],"status":"published","title":"Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability...","description":"Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an \"Authenticated User\" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the \"Authenticated Users Group\" which grants the (F) Flag aka \"Full Control\"","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":"2026-11-12","score":0.0032,"percentile":0.25365,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-281"],"published":"2021-06-09T18:20:52Z","modified":"2026-06-17T03:09:11Z","products":[{"vendor":"blizzard","product":"battle.net"}],"references":[{"url":"https://github.com/FreySolarEye/CVE/blob/master/Battle%20Net%20Launcher%20Local%20Privilege%20Escalation","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27383"},{"url":"https://github.com/advisories/GHSA-mqmr-qq67-c6hj"}],"sources":{"cve":[{"id":"CVE-2020-27383","description":"Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an \"Authenticated User\" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the \"Authenticated Users Group\" which grants the (F) Flag aka \"Full Control\"","status":"published","published":"2021-06-09T18:20:52Z","modified":"2024-08-04T16:11:36.692Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19895","description":"Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an \"Authenticated User\" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the \"Authenticated Users Group\" which grants the (F) Flag aka \"Full Control\"","status":"published","published":"2021-06-09T18:20:52Z","modified":"2024-08-04T16:11:36Z","updated_at":"2026-11-03T03:07:12.940476Z"}],"ghsa":[{"id":"GHSA-mqmr-qq67-c6hj","title":"Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability...","description":"Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an \"Authenticated User\" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the \"Authenticated Users Group\" which grants the (F) Flag aka \"Full Control\"","status":"published","published":"2022-05-24T19:04:28Z","modified":"2023-01-29T05:07:54Z","cwes":["CWE-281"],"updated_at":"2026-11-02T14:46:11.594724Z"}],"nvd":[{"id":"CVE-2020-27383","description":"Battle.net.exe in Battle.Net 1.27.1.12428 suffers from an elevation of privileges vulnerability which can be used by an \"Authenticated User\" to modify the existing executable file with a binary of his choice. The vulnerability exist due to weak set of permissions being granted to the \"Authenticated Users Group\" which grants the (F) Flag aka \"Full Control\"","status":"published","published":"2021-06-09T19:15:09.093Z","modified":"2026-06-17T03:09:11.777Z","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-281"],"updated_at":"2026-11-02T14:06:43.288951Z"}]}}