{"id":"CVE-2019-20432","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-20432","generatedAt":"2026-10-27T21:20:01.286Z","title":"In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. mdt_file_secctx_unpack does not validate the value of name_size derived from…","description":"In the Lustre file system before 2.12.3, the mdt module has an out-of-bounds access and panic due to the lack of validation for specific fields of packets sent by a client. mdt_file_secctx_unpack does not validate the value of name_size derived from req_capsule_get_size.","published":"2020-01-27T05:15:13.000Z","lastModified":"2026-06-17T02:30:26.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-787"],"affected":["lustre/lustre"],"epss":{"score":0.01808,"percentile":0.78444,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://lustre.org/","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://wiki.lustre.org/Lustre_2.12.3_Changelog","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://jira.whamcloud.com/browse/LU-12604","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://review.whamcloud.com/#/c/35868/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://lustre.org/","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://wiki.lustre.org/Lustre_2.12.3_Changelog","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jira.whamcloud.com/browse/LU-12604","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://review.whamcloud.com/#/c/35868/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-20432","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."}