{"id":"CVE-2025-62236","state":"PUBLISHED","title":"Frontier Airlines publicly available email address validation","description":"The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks.","publishedAt":"2025-10-23T19:31:15.979Z","updatedAt":"2025-10-27T13:45:00.638Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"cisa-cg"},"assigner":"cisa-cg","products":["Frontier Airlines flyfrontier.com"],"affected":[{"vendor":"Frontier Airlines","product":"flyfrontier.com","defaultStatus":"unknown","versions":[{"version":"*","status":"affected"}]}],"references":["https://www.cve.org/CVERecord?id=CVE-2025-62236","https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-296-01.json"],"weaknesses":["CWE-204"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/62xxx/CVE-2025-62236.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-62236","state":"PUBLISHED","datePublished":"2025-10-23T19:31:15.979Z","dateUpdated":"2025-10-27T13:45:00.638Z","assignerShortName":"cisa-cg","assignerOrgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateReserved":"2025-10-09T18:26:38.378Z"},"containers":{"cna":{"title":"Frontier Airlines publicly available email address validation","descriptions":[{"lang":"en","value":"The Frontier Airlines website has a publicly available endpoint that validates if an email addresses is associated with an account. An unauthenticated, remote attacker could determine valid email addresses, possibly aiding in further attacks."}],"affected":[{"vendor":"Frontier Airlines","product":"flyfrontier.com","defaultStatus":"unknown","versions":[{"version":"*","status":"affected"}]}],"references":[{"url":"https://www.cve.org/CVERecord?id=CVE-2025-62236","name":"url"},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-296-01.json","name":"url"}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"cvssV4_0":{"version":"4.0","baseScore":6.9,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-06T16:51:39.593103Z","id":"CVE-2025-62236","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-204","description":"CWE-204 Observable Response Discrepancy","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"cisa-cg","orgId":"9119a7d8-5eab-497f-8521-727c672e3725","dateUpdated":"2025-10-23T19:31:15.979Z"},"tags":["exclusively-hosted-service"],"credits":[{"value":"Yuriy Kuzma","lang":"en"}],"datePublic":"2025-10-23T00:00:00.000Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-27T13:44:46.765763Z","id":"CVE-2025-62236","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-27T13:45:00.638Z"}}]}}}