{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-34193", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-11-03T21:44:50.492Z", "dateReserved": "2021-06-07T00:00:00.000Z", "datePublished": "2023-08-22T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-08-22T15:44:49.629Z"}, "descriptions": [{"lang": "en", "value": "Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383"}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383", "tags": ["x_transferred"]}, {"url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T21:44:50.492Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:*", "matchCriteriaId": "B75A7FDD-CA09-46EF-8FAC-11732898B84B", "versionEndExcluding": "0.22.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs."}, {"lang": "es", "value": "Vulnerabilidad de desbordamiento de pila en el middleware de tarjetas inteligentes OpenSC anterior a 0.23 a trav\u00e9s de respuestas a APDUs manipuladas."}], "id": "CVE-2021-34193", "lastModified": "2025-11-03T22:15:48.797", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-08-22T19:16:20.913", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27719"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28185"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28383"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28768"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28843"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=28855"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29912"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30112"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30800"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31448"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31540"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32149"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "opensc: Stack overflow vulnerability in OpenSC smart card middleware", "id": "2235485", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2235485"}, "csaw": false, "cvss3": {"cvss3_base_score": "0.0", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "status": "draft"}, "cwe": "CWE-787", "details": ["Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs."], "name": "CVE-2021-34193", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "opensc", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-34193\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-34193"], "statement": "Red Hat Product Security does not consider this to be a vulnerability.\nNOTE the reporters of this flaw have identified this as a duplicate flaw [1] and requested it be rejected in NVD.\n[1] https://nvd.nist.gov/vuln/detail/CVE-2021-42782"}