{"id":"CVE-2021-31577","aliases":["EUVD-2021-18471","GHSA-28g5-fvw4-57w5"],"status":"published","title":"In Boa, there is a possible escalation of privilege due to a missing permission check. This could...","description":"In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01147,"percentile":0.67238,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862","CWE-863"],"published":"2023-02-06T00:00:00Z","modified":"2026-06-17T03:52:01Z","products":[{"vendor":"mediatek","product":"en7528_firmware"},{"vendor":"mediatek","product":"en7580_firmware"},{"vendor":"mediatek, inc.","product":"en7528, en7580"}],"references":[{"url":"https://corp.mediatek.com/product-security-acknowledgements","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31577"},{"url":"https://github.com/advisories/GHSA-28g5-fvw4-57w5"}],"sources":{"cve":[{"id":"CVE-2021-31577","description":"In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.","status":"published","published":"2023-02-06T00:00:00Z","modified":"2024-08-03T23:03:33.246Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18471","description":"In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.","status":"published","published":"2023-02-06T00:00:00Z","modified":"2024-08-03T23:03:33Z","updated_at":"2026-11-03T03:24:38.423371Z"}],"ghsa":[{"id":"GHSA-28g5-fvw4-57w5","title":"In Boa, there is a possible escalation of privilege due to a missing permission check. This could...","description":"In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.","status":"published","published":"2023-02-07T00:30:25Z","modified":"2023-02-23T05:07:31Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:54:13.537745Z"}],"nvd":[{"id":"CVE-2021-31577","description":"In Boa, there is a possible escalation of privilege due to a missing permission check. This could lead to remote escalation of privilege from a proximal attacker with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: A20210008; Issue ID: OSBNB00123241.","status":"published","published":"2023-02-06T22:15:09.42Z","modified":"2026-06-17T03:52:01.703Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}