{"id":"CVE-2021-30673","aliases":["EUVD-2021-17590","GHSA-4643-mh94-6wjj"],"status":"published","title":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big...","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A malicious application may be able to access a user's call history.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00727,"percentile":0.54661,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668"],"published":"2021-09-08T14:26:07Z","modified":"2026-06-17T03:50:40Z","products":[{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/HT212529","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212530","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30673"},{"url":"https://github.com/advisories/GHSA-4643-mh94-6wjj"}],"sources":{"cve":[{"id":"CVE-2021-30673","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A malicious application may be able to access a user's call history.","status":"published","published":"2021-09-08T14:26:07Z","modified":"2024-08-03T22:40:31.895Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17590","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A malicious application may be able to access a user's call history.","status":"published","published":"2021-09-08T14:26:07Z","modified":"2024-08-03T22:40:31Z","updated_at":"2026-11-03T03:24:41.467382Z"}],"ghsa":[{"id":"GHSA-4643-mh94-6wjj","title":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big...","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A malicious application may be able to access a user's call history.","status":"published","published":"2022-05-24T19:13:27Z","modified":"2023-01-27T05:03:41Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T14:42:17.713098Z"}],"nvd":[{"id":"CVE-2021-30673","description":"An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina. A malicious application may be able to access a user's call history.","status":"published","published":"2021-09-08T15:15:13.827Z","modified":"2026-06-17T03:50:40.09Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}