{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T05:06:06.152","vulnerabilities":[{"cve":{"id":"CVE-2021-3997","sourceIdentifier":"secalert@redhat.com","published":"2022-08-23T20:15:08.670","lastModified":"2024-11-21T06:23:20.623","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp."},{"lang":"es","value":"Se ha encontrado un fallo en systemd. Una recursión no controlada en systemd-tmpfiles puede conllevar a una denegación de servicio en el momento del arranque cuando son creados demasiados directorios anidados en /tmp."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"secalert@redhat.com","type":"Secondary","description":[{"lang":"en","value":"CWE-674"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-674"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*","versionStartIncluding":"240","versionEndExcluding":"250.2","matchCriteriaId":"0D5DB179-3322-4645-BF16-007AE6A8378D"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","matchCriteriaId":"A930E247-0B43-43CB-98FF-6CE7B8189835"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","matchCriteriaId":"80E516C0-98A4-4ADE-B69F-66A772E2BAAA"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*","matchCriteriaId":"142AD0DD-4CF3-4D74-9442-459CE3347E3A"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","matchCriteriaId":"F4CFF558-3C47-480D-A2F0-BABF26042943"},{"vulnerable":true,"criteria":"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"7F6FB57C-2BC7-487C-96DD-132683AEB35D"}]}]}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2021-3997","source":"secalert@redhat.com","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2024639","source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1","source":"secalert@redhat.com","tags":["Patch","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202305-15","source":"secalert@redhat.com"},{"url":"https://www.openwall.com/lists/oss-security/2022/01/10/2","source":"secalert@redhat.com","tags":["Exploit","Mailing List","Third Party Advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-3997","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Third Party Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2024639","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"]},{"url":"https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://security.gentoo.org/glsa/202305-15","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2022/01/10/2","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Mailing List","Third Party Advisory"]}]}}]}