{"api_version":"1","generated_at":"2026-04-23T04:33:53+00:00","cve":"CVE-2021-34193","urls":{"html":"https://cve.report/CVE-2021-34193","api":"https://cve.report/api/cve/CVE-2021-34193.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-34193","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-34193"},"summary":{"title":"CVE-2021-34193","description":"Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2023-08-22 19:16:00","updated_at":"2023-08-28 17:04:00"},"problem_types":["CWE-787"],"metrics":[],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112","refsource":"MISC","tags":[],"title":"30112 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912","refsource":"MISC","tags":[],"title":"29912 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540","refsource":"MISC","tags":[],"title":"31540 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383","refsource":"MISC","tags":[],"title":"28383 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448","refsource":"MISC","tags":[],"title":"31448 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185","refsource":"MISC","tags":[],"title":"28185 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843","refsource":"MISC","tags":[],"title":"28843 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800","refsource":"MISC","tags":[],"title":"30800 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855","refsource":"MISC","tags":[],"title":"28855 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719","refsource":"MISC","tags":[],"title":"27719 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768","refsource":"MISC","tags":[],"title":"28768 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149","refsource":"MISC","tags":[],"title":"32149 - \n \n \n oss-fuzz -\n \n \n OSS-Fuzz: Fuzzing the planet - \n \n Monorail","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-34193","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34193","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"34193","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"opensc_project","cpe5":"opensc","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-34193","qid":"907305","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for opensc (28094-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-34193","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":"Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383"},{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448","refsource":"MISC","name":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448"}]}},"nvd":{"publishedDate":"2023-08-22 19:16:00","lastModifiedDate":"2023-08-28 17:04:00","problem_types":["CWE-787"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","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:opensc_project:opensc:*:*:*:*:*:*:*:*","versionEndExcluding":"0.23.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"34193","Ordinal":"209647","Title":"CVE-2021-34193","CVE":"CVE-2021-34193","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"34193","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}