{"id":"CVE-2020-9856","aliases":["EUVD-2020-30635","GHSA-g92g-c8h9-p2rw"],"status":"published","title":"This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An...","description":"This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An application may be able to gain elevated privileges.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0139,"percentile":0.72523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-119"],"published":"2020-06-09T16:18:29Z","modified":"2026-06-17T03:28:41Z","exploits":[{"source":"metasploit","id":"exploit/osx/browser/safari_in_operator_side_effect","title":"Safari in Operator Side Effect Exploit","type":"exploit","platform":"OSX,Python,Unix","date":"2020-03-18","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/osx/browser/safari_in_operator_side_effect"}],"products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/HT211170","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9856"},{"url":"http://packetstormsecurity.com/files/159447/Safari-Type-Confusion-Sandbox-Escape.html"},{"url":"https://github.com/advisories/GHSA-g92g-c8h9-p2rw"}],"sources":{"cve":[{"id":"CVE-2020-9856","description":"This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An application may be able to gain elevated privileges.","status":"published","published":"2020-06-09T16:18:29Z","modified":"2024-08-04T10:43:05.375Z","updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2020-30635","description":"This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An application may be able to gain elevated privileges.","status":"published","published":"2020-06-09T16:18:29Z","modified":"2024-08-04T10:43:05Z","updated_at":"2026-11-03T03:07:52.605769Z"}],"ghsa":[{"id":"GHSA-g92g-c8h9-p2rw","title":"This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An...","description":"This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An application may be able to gain elevated privileges.","status":"published","published":"2022-05-24T17:19:46Z","modified":"2023-01-29T05:02:53Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:11.402148Z"}],"nvd":[{"id":"CVE-2020-9856","description":"This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15.5. An application may be able to gain elevated privileges.","status":"published","published":"2020-06-09T17:15:15.41Z","modified":"2026-06-17T03:28:41.483Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium","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"}],"updated_at":"2026-11-02T14:06:05.962132Z"}]}}