{"id":"CVE-2020-9934","aliases":["EUVD-2020-30713","GHSA-x5m3-93g8-f3rh"],"status":"published","title":"An issue existed in the handling of environment variables. This issue was addressed with improved...","description":"An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03208,"percentile":0.88248,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"published":"2020-10-16T16:51:05Z","modified":"2026-06-17T03:28:50Z","kev":{"date_added":"2022-09-08","due_date":"2022-09-29","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-09-08"},{"source":"kev","since":"2022-09-08"}],"exploits":[{"source":"pocgithub","id":"mattshockl/CVE-2020-9934","title":"mattshockl/CVE-2020-9934","date":"2020-07-27","url":"https://github.com/mattshockl/CVE-2020-9934"},{"source":"metasploit","id":"post/osx/escalate/tccbypass","title":"Bypass the macOS TCC Framework","type":"post","platform":"OSX","verified":true,"url":"https://www.rapid7.com/db/modules/post/osx/escalate/tccbypass"}],"products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"ios, ipados, and macos"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/HT211289","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/HT211288","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-9934","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9934"},{"url":"https://github.com/advisories/GHSA-x5m3-93g8-f3rh"}],"sources":{"cve":[{"id":"CVE-2020-9934","description":"An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.","status":"published","published":"2020-10-16T16:51:05Z","modified":"2025-10-21T23:35:35.426Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2020-30713","description":"An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.","status":"published","published":"2020-10-16T16:51:05Z","modified":"2025-10-21T23:35:35Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"exploited_since":"2022-09-08","updated_at":"2026-11-02T20:31:25.308373Z"}],"ghsa":[{"id":"GHSA-x5m3-93g8-f3rh","title":"An issue existed in the handling of environment variables. This issue was addressed with improved...","description":"An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.","status":"published","published":"2022-05-24T17:31:10Z","modified":"2025-10-22T00:31:59Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:04:04.786232Z"}],"kev":[{"id":"CVE-2020-9934","title":"Apple iOS, iPadOS, and macOS Input Validation Vulnerability","description":"Apple iOS, iPadOS, and macOS contain an unspecified vulnerability involving input validation which can allow a local attacker to view sensitive user information.","kev":{"date_added":"2022-09-08","due_date":"2022-09-29","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2020-9934","description":"An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.","status":"published","published":"2020-10-16T17:15:17.637Z","modified":"2026-06-17T03:28:50Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:19.351389Z"}]}}