CVE-2021-33881

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "On NXP MIFARE Ultralight and NTAG cards, an attacker can interrupt a write operation (aka conduct a \"tear off\" attack) over RFID to bypass a Monotonic Counter protection mechanism. The impact depends on how the anti tear-off feature is used in specific applications such as public transportation, physical access control, etc."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-06T15:33:44.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.nxp.com/docs/en/application-note/AN13089.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://www.nxp.com/docs/en/application-note/AN11340.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-33881", "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": "On NXP MIFARE Ultralight and NTAG cards, an attacker can interrupt a write operation (aka conduct a \"tear off\" attack) over RFID to bypass a Monotonic Counter protection mechanism. The impact depends on how the anti tear-off feature is used in specific applications such as public transportation, physical access control, etc."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html", "refsource": "MISC", "url": "https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html"}, {"name": "https://www.nxp.com/docs/en/application-note/AN13089.pdf", "refsource": "MISC", "url": "https://www.nxp.com/docs/en/application-note/AN13089.pdf"}, {"name": "https://www.nxp.com/docs/en/application-note/AN11340.pdf", "refsource": "MISC", "url": "https://www.nxp.com/docs/en/application-note/AN11340.pdf"}, {"name": "https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/", "refsource": "MISC", "url": "https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:05:51.714Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.nxp.com/docs/en/application-note/AN13089.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.nxp.com/docs/en/application-note/AN11340.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-33881", "datePublished": "2021-06-06T15:33:44.000Z", "dateReserved": "2021-06-06T00:00:00.000Z", "dateUpdated": "2024-08-04T00:05:51.714Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:mifare_ultralight_ev1_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "13FC8374-6D01-4B5F-A95D-596AB68702E6", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:mifare_ultralight_ev1:-:*:*:*:*:*:*:*", "matchCriteriaId": "40001813-D7BF-4034-8907-502337123585", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:mifare_ultralight_c_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "CEA8BE8B-B593-48A3-A09E-A29FDC0624FC", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:mifare_ultralight_c:-:*:*:*:*:*:*:*", "matchCriteriaId": "5B81CEC9-BE41-4193-AF43-0A26763E3054", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:mifare_ultralight_nano_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "A63B6661-6124-4DA9-AB26-3BEC10554A32", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:mifare_ultralight_nano:-:*:*:*:*:*:*:*", "matchCriteriaId": "17D7AEEF-C5D3-49BB-A2FC-99F1925AC89E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:ntag_210_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "1C6ED991-07E5-400C-BAD3-77CCE7CC38FA", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:ntag_210:-:*:*:*:*:*:*:*", "matchCriteriaId": "E696E548-CD46-4AD3-92B5-E8DC36EC3612", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:ntag_212_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "30D83C6E-3CC4-4964-8810-612636BECD6A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:ntag_212:-:*:*:*:*:*:*:*", "matchCriteriaId": "7477739A-1485-4C9A-98F8-1BDA70590216", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:ntag_213_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "1E492E74-6226-4EC8-8A7B-CF7BD3F99EF7", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:ntag_213:-:*:*:*:*:*:*:*", "matchCriteriaId": "4D6AAD29-CDA6-4DC0-A328-085ADFC5F48B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:ntag_215_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "37047CF6-875B-4503-AA72-B35F8045F08A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:ntag_215:-:*:*:*:*:*:*:*", "matchCriteriaId": "5A06E609-2E4D-40AF-9786-3C851ED21105", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nxp:ntag_216_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "5411DC55-0990-4314-8575-6F54B0F2FFD7", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nxp:ntag_216:-:*:*:*:*:*:*:*", "matchCriteriaId": "FDEB5A51-A805-4B8E-939D-C5DEF22D0084", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "On NXP MIFARE Ultralight and NTAG cards, an attacker can interrupt a write operation (aka conduct a \"tear off\" attack) over RFID to bypass a Monotonic Counter protection mechanism. The impact depends on how the anti tear-off feature is used in specific applications such as public transportation, physical access control, etc."}, {"lang": "es", "value": "En las tarjetas NXP MIFARE Ultralight y NTAG, un atacante puede interrumpir una operaci\u00f3n de escritura (tambi\u00e9n se conoce como ataque \"tear off\") mediante RFID para omitir el mecanismo de protecci\u00f3n Monotonic Counter. El impacto depende de c\u00f3mo es usado la funcionalidad anti tear-off en aplicaciones espec\u00edficas como el transporte p\u00fablico, el control de acceso f\u00edsico, etc"}], "id": "CVE-2021-33881", "lastModified": "2026-06-17T03:55:19.630", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 1.9, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-06T16:15:07.407", "references": [{"source": "cve@mitre.org", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.nxp.com/docs/en/application-note/AN11340.pdf"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.nxp.com/docs/en/application-note/AN13089.pdf"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://blog.quarkslab.com/rfid-monotonic-counter-anti-tearing-defeated.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.nxp.com/docs/en/application-note/AN11340.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.nxp.com/docs/en/application-note/AN13089.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.sstic.org/2021/presentation/eeprom_it_will_all_end_in_tears/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}