{"id":"CVE-2025-27809","state":"PUBLISHED","title":"Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbe","description":"Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtls_ssl_set_hostname.","publishedAt":"2025-03-25T00:00:00.000Z","updatedAt":"2025-03-25T16:49:13.269Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N","source":"mitre"},"assigner":"mitre","products":["Mbed mbedtls"],"affected":[{"vendor":"Mbed","product":"mbedtls","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.28.10","versionType":"semver"},{"version":"3.0.0","status":"affected","lessThan":"3.6.3","versionType":"semver"}]}],"references":["https://github.com/Mbed-TLS/mbedtls/releases","https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-1/","https://mastodon.social/@bagder/114219540623402700","https://github.com/Mbed-TLS/mbedtls/issues/466"],"weaknesses":["CWE-1188"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/27xxx/CVE-2025-27809.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-27809","state":"PUBLISHED","datePublished":"2025-03-25T00:00:00.000Z","dateUpdated":"2025-03-25T16:49:13.269Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2025-03-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtls_ssl_set_hostname."}],"affected":[{"vendor":"Mbed","product":"mbedtls","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.28.10","versionType":"semver"},{"version":"3.0.0","status":"affected","lessThan":"3.6.3","versionType":"semver"}]}],"references":[{"url":"https://github.com/Mbed-TLS/mbedtls/releases"},{"url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-1/"}],"metrics":[{"cvssV3_1":{"version":"3.1","baseScore":5.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1188","description":"CWE-1188 Initialization of a Resource with an Insecure Default","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2025-03-25T05:33:08.068Z"},"x_generator":{"engine":"enrichogram 0.0.1"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:mbed:mbedtls:*:*:*:*:*:*:*:*","versionEndExcluding":"2.28.10"},{"vulnerable":true,"criteria":"cpe:2.3:a:mbed:mbedtls:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.0","versionEndExcluding":"3.6.3"}]}]}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-03-25T14:41:49.022536Z","id":"CVE-2025-27809","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-25T14:42:17.226Z"}},{"title":"CVE Program Container","references":[{"url":"https://mastodon.social/@bagder/114219540623402700"},{"url":"https://github.com/Mbed-TLS/mbedtls/issues/466"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-03-25T16:49:13.269Z"},"x_generator":{"engine":"ADPogram 0.0.1"}}]}}}