{"api_version":"1","generated_at":"2026-07-23T10:54:46+00:00","cve":"CVE-2021-3565","urls":{"html":"https://cve.report/CVE-2021-3565","api":"https://cve.report/api/cve/CVE-2021-3565.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-3565","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-3565"},"summary":{"title":"CVE-2021-3565","description":"A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.","state":"PUBLIC","assigner":"secalert@redhat.com","published_at":"2021-06-04 12:15:00","updated_at":"2023-11-07 03:38:00"},"problem_types":["CWE-798"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/","name":"FEDORA-2021-c970c02748","refsource":"","tags":[],"title":"[SECURITY] Fedora 34 Update: tpm2-tools-5.1.1-1.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1964427","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1964427","refsource":"MISC","tags":[],"title":"1964427 – (CVE-2021-3565) CVE-2021-3565 tpm2-tools: fixed AES wrapping key in tpm2_import","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/","name":"FEDORA-2021-00a15ad850","refsource":"","tags":[],"title":"[SECURITY] Fedora 33 Update: tpm2-tools-4.3.2-1.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/","name":"FEDORA-2021-00a15ad850","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 33 Update: tpm2-tools-4.3.2-1.fc33 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/","name":"FEDORA-2021-c970c02748","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 34 Update: tpm2-tools-5.1.1-1.fc34 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3565","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3565","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"3565","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"33","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"3565","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"fedoraproject","cpe5":"fedora","cpe6":"34","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"3565","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"redhat","cpe5":"enterprise_linux","cpe6":"8.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"3565","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"tpm2-tools_project","cpe5":"tpm2-tools","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-3565","qid":"159511","title":"Oracle Enterprise Linux Security Update for tpm2-tools (ELSA-2021-4413)"},{"cve":"CVE-2021-3565","qid":"179835","title":"Debian Security Update for tpm2-tools (CVE-2021-3565)"},{"cve":"CVE-2021-3565","qid":"239880","title":"Red Hat Update for tpm2-tools (RHSA-2021:4413)"},{"cve":"CVE-2021-3565","qid":"281666","title":"Fedora Security Update for tpm2 (FEDORA-2021-00a15ad850)"},{"cve":"CVE-2021-3565","qid":"281667","title":"Fedora Security Update for tpm2 (FEDORA-2021-c970c02748)"},{"cve":"CVE-2021-3565","qid":"750661","title":"SUSE Enterprise Linux Security Update for tpm2.0-tools (SUSE-SU-2021:1999-1)"},{"cve":"CVE-2021-3565","qid":"750664","title":"SUSE Enterprise Linux Security Update for tpm2.0-tools (SUSE-SU-2021:1998-1)"},{"cve":"CVE-2021-3565","qid":"750723","title":"OpenSUSE Security Update for tpm2.0-tools (openSUSE-SU-2021:0934-1)"},{"cve":"CVE-2021-3565","qid":"750767","title":"OpenSUSE Security Update for tpm2.0-tools (openSUSE-SU-2021:1998-1)"},{"cve":"CVE-2021-3565","qid":"900222","title":"CBL-Mariner Linux Security Update for tpm2-tools 4.2"},{"cve":"CVE-2021-3565","qid":"900962","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for tpm2-tools (6923-1)"},{"cve":"CVE-2021-3565","qid":"903639","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for tpm2-tools (4345)"},{"cve":"CVE-2021-3565","qid":"940129","title":"AlmaLinux Security Update for tpm2-tools (ALSA-2021:4413)"},{"cve":"CVE-2021-3565","qid":"960260","title":"Rocky Linux Security Update for tpm2-tools (RLSA-2021:4413)"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ID":"CVE-2021-3565","ASSIGNER":"secalert@redhat.com","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"vendor_name":"n/a","product":{"product_data":[{"product_name":"tpm2-tools","version":{"version_data":[{"version_value":"tpm2-tools 5.1.1, tpm2-tools 4.3.2"}]}}]}}]}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-665->CWE-200"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://bugzilla.redhat.com/show_bug.cgi?id=1964427","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1964427"},{"refsource":"FEDORA","name":"FEDORA-2021-00a15ad850","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ESY6HRYUKR5ZG2K5QAJQC5S6HMKZMFK7/"},{"refsource":"FEDORA","name":"FEDORA-2021-c970c02748","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XK5M7I66PBXSN663TSLAZ3V6TWWFCV7C/"}]},"description":{"description_data":[{"lang":"eng","value":"A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality."}]}},"nvd":{"publishedDate":"2021-06-04 12:15:00","lastModifiedDate":"2023-11-07 03:38:00","problem_types":["CWE-798"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.2,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:tpm2-tools_project:tpm2-tools:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1","versionEndExcluding":"5.1.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:tpm2-tools_project:tpm2-tools:*:*:*:*:*:*:*:*","versionEndExcluding":"4.3.2","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"3565","Ordinal":"208972","Title":"CVE-2021-3565","CVE":"CVE-2021-3565","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"3565","Ordinal":"1","NoteData":"A flaw was found in tpm2-tools in versions before 5.1.1 and before 4.3.2. tpm2_import used a fixed AES key for the inner wrapper, potentially allowing a MITM attacker to unwrap the inner portion and reveal the key being imported. The highest threat from this vulnerability is to data confidentiality.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"3565","Ordinal":"2","NoteData":"2021-06-04","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"3565","Ordinal":"3","NoteData":"2021-06-30","Type":"Other","Title":"Modified"}]}}}