{"id":"CVE-2021-42301","aliases":["EUVD-2021-29276","GHSA-8m6g-gh88-8293"],"status":"published","title":"Azure RTOS Information Disclosure Vulnerability","description":"Azure RTOS Information Disclosure Vulnerability","severity":{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0112,"percentile":0.66593,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-668"],"published":"2021-11-10T00:47:32Z","modified":"2026-08-19T18:31:42Z","products":[{"vendor":"microsoft","product":"azure real time operating system"},{"vendor":"microsoft","product":"azure_rtos"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42301","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42301","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42301"},{"url":"https://github.com/advisories/GHSA-8m6g-gh88-8293"}],"sources":{"cve":[{"id":"CVE-2021-42301","title":"Azure RTOS Information Disclosure Vulnerability","description":"Azure RTOS Information Disclosure Vulnerability","status":"published","published":"2021-11-10T00:47:32Z","modified":"2026-08-19T16:27:02.5Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29276","description":"Azure RTOS Information Disclosure Vulnerability","status":"published","published":"2021-11-10T00:47:32Z","modified":"2026-08-19T16:27:02Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C","level":"low"}],"updated_at":"2026-11-02T18:01:43.792814Z"}],"ghsa":[{"id":"GHSA-8m6g-gh88-8293","title":"Azure RTOS Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-26444, CVE...","description":"Azure RTOS Information Disclosure Vulnerability This CVE ID is unique from CVE-2021-26444, CVE-2021-42323.","status":"published","published":"2022-05-24T19:20:21Z","modified":"2026-08-19T18:31:42Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-668"],"updated_at":"2026-11-02T15:10:40.943268Z"}],"nvd":[{"id":"CVE-2021-42301","description":"Azure RTOS Information Disclosure Vulnerability","status":"published","published":"2021-11-10T01:19:47.993Z","modified":"2026-08-19T17:18:01.913Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/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":"2026-11-02T14:07:00.984108Z"}]}}