{"id":"CVE-2021-28186","aliases":["EUVD-2021-14876","GHSA-8p5w-j26w-7656"],"status":"published","title":"ASUS BMC's firmware: buffer overflow - ActiveX configuration-2 acquisition","description":"The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.01874,"percentile":0.79514,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-04-06T05:02:07Z","modified":"2026-06-17T03:45:58Z","products":[{"vendor":"asus","product":"asmb8-ikvm_firmware"},{"vendor":"asus","product":"bmc firmware for asmb8-ikvm"},{"vendor":"asus","product":"bmc firmware for z10pe-d16 ws"},{"vendor":"asus","product":"bmc firmware for z10pr-d16"},{"vendor":"asus","product":"z10pe-d16_ws_firmware"},{"vendor":"asus","product":"z10pr-d16_firmware"}],"references":[{"url":"https://www.asus.com/content/ASUS-Product-Security-Advisory/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.asus.com/tw/support/callus/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.twcert.org.tw/tw/cp-132-4556-ece3d-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28186"},{"url":"https://github.com/advisories/GHSA-8p5w-j26w-7656"}],"sources":{"cve":[{"id":"CVE-2021-28186","title":"ASUS BMC's firmware: buffer overflow - ActiveX configuration-2 acquisition","description":"The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.","status":"published","published":"2021-04-06T05:02:07.331Z","modified":"2024-09-16T23:55:35.086Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-14876","description":"The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.","status":"published","published":"2021-04-06T05:02:07Z","modified":"2024-09-16T23:55:35Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:29:03.911526Z"}],"ghsa":[{"id":"GHSA-8p5w-j26w-7656","title":"The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2...","description":"The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.","status":"published","published":"2022-05-24T22:28:27Z","modified":"2023-01-30T05:05:18Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:47:14.398767Z"}],"nvd":[{"id":"CVE-2021-28186","description":"The specific function in ASUS BMC’s firmware Web management page (ActiveX configuration-2 acquisition) does not verify the string length entered by users, resulting in a Buffer overflow vulnerability. As obtaining the privileged permission, remote attackers use the leakage to abnormally terminate the Web service.","status":"published","published":"2021-04-06T05:15:15.473Z","modified":"2026-06-17T03:45:58.953Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}