{"id":"CVE-2020-9920","aliases":["EUVD-2020-30699","GHSA-r6fc-jj24-8qhw"],"status":"published","title":"A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and...","description":"A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01859,"percentile":0.79402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2020-10-22T18:04:56Z","modified":"2026-06-17T03:28:48Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"watchos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/kb/HT211289","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211288","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/kb/HT211291","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9920"},{"url":"https://github.com/advisories/GHSA-r6fc-jj24-8qhw"}],"sources":{"cve":[{"id":"CVE-2020-9920","description":"A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.","status":"published","published":"2020-10-22T18:04:56Z","modified":"2024-08-04T10:43:05.478Z","updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2020-30699","description":"A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.","status":"published","published":"2020-10-22T18:04:56Z","modified":"2024-08-04T10:43:05Z","updated_at":"2026-11-03T03:07:51.994742Z"}],"ghsa":[{"id":"GHSA-r6fc-jj24-8qhw","title":"A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and...","description":"A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.","status":"published","published":"2022-05-24T17:32:07Z","modified":"2023-02-02T05:01:14Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:51:08.679679Z"}],"nvd":[{"id":"CVE-2020-9920","description":"A path handling issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A malicious mail server may overwrite arbitrary mail files.","status":"published","published":"2020-10-22T19:15:14.65Z","modified":"2026-06-17T03:28:48.52Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:20.704992Z"}]}}