{"id":"CVE-2021-28198","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-28198","generatedAt":"2026-10-27T21:20:28.931Z","title":"The Firmware protocol configuration function in ASUS BMC’s firmware Web management page does not verify the string length entered by users, resulting in a Buffer overflow vulnerability.","description":"The Firmware protocol configuration function in ASUS BMC’s firmware Web management page 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.","published":"2021-04-06T05:15:17.000Z","lastModified":"2026-06-17T03:46:02.000Z","status":"Modified","sourceIdentifier":"twcert@cert.org.tw","cvss":{"version":"3.1","score":4.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-120"],"affected":["asus/asmb9-ikvm firmware","asus/rs720a-e9-rs24-e firmware","asus/rs700a-e9-rs4 firmware","asus/rs700-e9-rs4 firmware","asus/esc4000 g4x firmware","asus/rs700-e9-rs12 firmware","asus/rs100-e10-pi2 firmware","asus/rs300-e10-ps4 firmware","asus/rs300-e10-rs4 firmware","asus/rs500a-e9-ps4 firmware","asus/rs500a-e9-rs4 firmware","asus/rs500a-e9 rs4 u firmware","asus/e700 g4 firmware","asus/ws c422 pro\\/se firmware","asus/ws x299 pro\\/se firmware","asus/z11pa-u12 firmware","asus/z11pa-u12\\/10g-2s firmware","asus/knpa-u16 firmware","asus/esc4000 dhd g4 firmware","asus/esc4000 g4 firmware","asus/rs720q-e9-rs24-s firmware","asus/rs720q-e9-rs8 firmware","asus/rs720q-e9-rs8-s firmware","asus/z11pa-d8 firmware","asus/z11pa-d8c firmware","asus/rs720-e9-rs24-u firmware","asus/rs720-e9-rs8-g firmware","asus/rs500-e9-ps4 firmware","asus/pro e800 g4 firmware","asus/rs500-e9-rs4 firmware","asus/rs500-e9-rs4-u firmware","asus/rs520-e9-rs12-e firmware","asus/rs520-e9-rs8 firmware","asus/esc8000 g4 firmware","asus/esc8000 g4\\/10g firmware","asus/rs720-e9-rs12-e firmware","asus/ws c621e sage firmware","asus/rs500a-e10-ps4 firmware","asus/rs500a-e10-rs4 firmware","asus/rs700a-e9-rs12v2 firmware","asus/rs700a-e9-rs4v2 firmware","asus/rs720a-e9-rs12v2 firmware","asus/rs720a-e9-rs24v2 firmware","asus/z11pr-d16 firmware"],"epss":{"score":0.01874,"percentile":0.79235,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.87%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.asus.com/content/ASUS-Product-Security-Advisory/","tags":["Vendor Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.asus.com/tw/support/callus/","tags":["Vendor Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.twcert.org.tw/tw/cp-132-4568-627f7-1.html","tags":["Third Party Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.asus.com/content/ASUS-Product-Security-Advisory/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.asus.com/tw/support/callus/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.twcert.org.tw/tw/cp-132-4568-627f7-1.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28198","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}