{"id":"CVE-2025-4053","state":"PUBLISHED","title":"Unauthorized creation of master key in Mifare Classic Be-Tech cards","description":"The data stored in Be-Tech Mifare Classic card is stored in cleartext. An attacker having access to a Be-Tech hotel guest Mifare Classic card can create a master key card that unlocks all the locks in the building. \n\nThis issue affects all Be-Tech Mifare Classic card systems. To fix the vulnerability, it is necessary to replace the software, encoder, cards, and PCBs in the locks.","publishedAt":"2025-05-26T10:03:35.047Z","updatedAt":"2025-05-27T14:23:50.767Z","severity":{"score":6.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"CERT-PL"},"assigner":"CERT-PL","products":["Be-Tech Mifare Classic cards"],"affected":[{"vendor":"Be-Tech","product":"Mifare Classic cards","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"*","versionType":"custom"}]}],"references":["https://cert.pl/en/posts/2025/05/CVE-2025-4053/"],"weaknesses":["CWE-312"],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/4xxx/CVE-2025-4053.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-4053","state":"PUBLISHED","datePublished":"2025-05-26T10:03:35.047Z","dateUpdated":"2025-05-27T14:23:50.767Z","assignerShortName":"CERT-PL","assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateReserved":"2025-04-28T21:08:42.323Z"},"containers":{"cna":{"title":"Unauthorized creation of master key in Mifare Classic Be-Tech cards","descriptions":[{"lang":"en","value":"The data stored in Be-Tech Mifare Classic card is stored in cleartext. An attacker having access to a Be-Tech hotel guest Mifare Classic card can create a master key card that unlocks all the locks in the building. \n\nThis issue affects all Be-Tech Mifare Classic card systems. To fix the vulnerability, it is necessary to replace the software, encoder, cards, and PCBs in the locks."}],"affected":[{"vendor":"Be-Tech","product":"Mifare Classic cards","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"*","versionType":"custom"}]}],"references":[{"url":"https://cert.pl/en/posts/2025/05/CVE-2025-4053/","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"PHYSICAL","baseScore":6.8,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:P/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-312","description":"CWE-312 Cleartext Storage of Sensitive Information","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"CERT-PL","orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","dateUpdated":"2025-05-26T10:11:19.784Z"},"credits":[{"lang":"en","type":"finder","value":"Sławomir Jasek, smartlockpicking.com"}],"impacts":[{"capecId":"CAPEC-37","descriptions":[{"lang":"en","value":"CAPEC-37 Retrieve Embedded Sensitive Data"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-27T14:23:45.443332Z","id":"CVE-2025-4053","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-27T14:23:50.767Z"}}]}}}