{"id":"CVE-2024-27440","state":"PUBLISHED","title":"The Toyoko Inn official App for iOS versions prior to 1.13.0 and Toyoko Inn official App for Android versions prior 1.3.14 don't properly verify server certificates, which allows a","description":"The Toyoko Inn official App for iOS versions prior to 1.13.0 and Toyoko Inn official App for Android versions prior 1.3.14 don't properly verify server certificates, which allows a man-in-the-middle attacker to spoof servers and obtain sensitive information via a crafted certificate.","publishedAt":"2024-03-13T05:40:22.838Z","updatedAt":"2024-08-05T13:41:39.271Z","severity":{"score":4.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"jpcert","products":["Toyoko Inn IT Solution Co., Ltd. Toyoko Inn official App for iOS","Toyoko Inn IT Solution Co., Ltd. Toyoko Inn official App for Android"],"affected":[{"vendor":"Toyoko Inn IT Solution Co., Ltd.","product":"Toyoko Inn official App for iOS","versions":[{"version":"prior to 1.13.0","status":"affected"}]},{"vendor":"Toyoko Inn IT Solution Co., Ltd.","product":"Toyoko Inn official App for Android","versions":[{"version":"prior 1.3.14","status":"affected"}]}],"references":["https://apps.apple.com/jp/app/%E3%83%9B%E3%83%86%E3%83%AB%E6%9D%B1%E6%A8%AAinn-%E6%9D%B1%E6%A8%AA%E3%82%A4%E3%83%B3-%E5%85%AC%E5%BC%8F%E3%82%A2%E3%83%97%E3%83%AA/id1439388270","https://play.google.com/store/apps/details?id=com.toyoko_inn.toyokoandroid","https://jvn.jp/en/jp/JVN52919306/"],"weaknesses":["CWE-295"],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/27xxx/CVE-2024-27440.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-27440","state":"PUBLISHED","datePublished":"2024-03-13T05:40:22.838Z","dateUpdated":"2024-08-05T13:41:39.271Z","assignerShortName":"jpcert","assignerOrgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateReserved":"2024-02-26T01:49:51.712Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The Toyoko Inn official App for iOS versions prior to 1.13.0 and Toyoko Inn official App for Android versions prior 1.3.14 don't properly verify server certificates, which allows a man-in-the-middle attacker to spoof servers and obtain sensitive information via a crafted certificate."}],"affected":[{"vendor":"Toyoko Inn IT Solution Co., Ltd.","product":"Toyoko Inn official App for iOS","versions":[{"version":"prior to 1.13.0","status":"affected"}]},{"vendor":"Toyoko Inn IT Solution Co., Ltd.","product":"Toyoko Inn official App for Android","versions":[{"version":"prior 1.3.14","status":"affected"}]}],"references":[{"url":"https://apps.apple.com/jp/app/%E3%83%9B%E3%83%86%E3%83%AB%E6%9D%B1%E6%A8%AAinn-%E6%9D%B1%E6%A8%AA%E3%82%A4%E3%83%B3-%E5%85%AC%E5%BC%8F%E3%82%A2%E3%83%97%E3%83%AA/id1439388270"},{"url":"https://play.google.com/store/apps/details?id=com.toyoko_inn.toyokoandroid"},{"url":"https://jvn.jp/en/jp/JVN52919306/"}],"problemTypes":[{"descriptions":[{"description":"Improper server certificate verification","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"jpcert","orgId":"ede6fdc4-6654-4307-a26d-3331c018e2ce","dateUpdated":"2024-03-13T05:40:22.838Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://apps.apple.com/jp/app/%E3%83%9B%E3%83%86%E3%83%AB%E6%9D%B1%E6%A8%AAinn-%E6%9D%B1%E6%A8%AA%E3%82%A4%E3%83%B3-%E5%85%AC%E5%BC%8F%E3%82%A2%E3%83%97%E3%83%AA/id1439388270","tags":["x_transferred"]},{"url":"https://play.google.com/store/apps/details?id=com.toyoko_inn.toyokoandroid","tags":["x_transferred"]},{"url":"https://jvn.jp/en/jp/JVN52919306/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T00:34:52.381Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"toyoko_inn","product":"toyoko_inn","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"1.13.0","versionType":"custom"}],"cpes":["cpe:2.3:a:toyoko_inn:toyoko_inn:*:*:*:*:*:*:*:*"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.8,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-03-13T14:30:43.556851Z","id":"CVE-2024-27440","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-295","type":"CWE","lang":"en","description":"CWE-295 Improper Certificate Validation"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-05T13:41:39.271Z"}}]}}}