{"api_version":"1","generated_at":"2026-07-24T20:03:21+00:00","cve":"CVE-2022-42731","urls":{"html":"https://cve.report/CVE-2022-42731","api":"https://cve.report/api/cve/CVE-2022-42731.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-42731","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-42731"},"summary":{"title":"CVE-2022-42731","description":"mfa/FIDO2.py in django-mfa2 before 2.5.1 and 2.6.x before 2.6.1 allows a replay attack that could be used to register another device for a user. The device registration challenge is not invalidated after usage.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-10-11 14:15:00","updated_at":"2022-10-11 19:05:00"},"problem_types":["CWE-294"],"metrics":[],"references":[{"url":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release","name":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release","refsource":"MISC","tags":[],"title":"Release v2.5.1 - Security Updated · mkalioby/django-mfa2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58","name":"https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58","refsource":"MISC","tags":[],"title":"django-mfa2/FIDO2.py at 0936ea253354dd95cb127f09d0efa31324caef27 · mkalioby/django-mfa2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release","name":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release","refsource":"MISC","tags":[],"title":"Release v2.6.1 - Security Update · mkalioby/django-mfa2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-42731","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42731","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"42731","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"django-mfa2_project","cpe5":"django-mfa2","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2022-42731","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"mfa/FIDO2.py in django-mfa2 before 2.5.1 and 2.6.x before 2.6.1 allows a replay attack that could be used to register another device for a user. The device registration challenge is not invalidated after usage."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58","refsource":"MISC","name":"https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58"},{"refsource":"MISC","name":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release","url":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release"},{"refsource":"MISC","name":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release","url":"https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release"}]}},"nvd":{"publishedDate":"2022-10-11 14:15:00","lastModifiedDate":"2022-10-11 19:05:00","problem_types":["CWE-294"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:django-mfa2_project:django-mfa2:*:*:*:*:*:*:*:*","versionEndExcluding":"2.5.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:django-mfa2_project:django-mfa2:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.0","versionEndExcluding":"2.6.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}