{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"curl","vendor":"curl","versions":[{"lessThanOrEqual":"8.13.0","status":"affected","version":"8.13.0","versionType":"semver"},{"lessThanOrEqual":"8.12.1","status":"affected","version":"8.12.1","versionType":"semver"},{"lessThanOrEqual":"8.12.0","status":"affected","version":"8.12.0","versionType":"semver"},{"lessThanOrEqual":"8.11.1","status":"affected","version":"8.11.1","versionType":"semver"},{"lessThanOrEqual":"8.11.0","status":"affected","version":"8.11.0","versionType":"semver"},{"lessThanOrEqual":"8.10.1","status":"affected","version":"8.10.1","versionType":"semver"},{"lessThanOrEqual":"8.10.0","status":"affected","version":"8.10.0","versionType":"semver"},{"lessThanOrEqual":"8.9.1","status":"affected","version":"8.9.1","versionType":"semver"},{"lessThanOrEqual":"8.9.0","status":"affected","version":"8.9.0","versionType":"semver"},{"lessThanOrEqual":"8.8.0","status":"affected","version":"8.8.0","versionType":"semver"}]}],"source":"2499f714-1537-4658-8207-48ae4bb9eae9"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*","matchCriteriaId":"0BFF5268-7985-46A1-A71F-9E1586E9E22E","versionEndExcluding":"8.14.0","versionStartIncluding":"8.8.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks."},{"lang":"es","value":"libcurl omite accidentalmente la verificación del certificado para conexiones QUIC al conectarse a un host especificado como dirección IP en la URL. Por lo tanto, no detecta impostores ni ataques de intermediario."}],"id":"CVE-2025-4947","lastModified":"2026-06-17T09:34:22.287","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"exploitabilityScore":3.9,"impactScore":2.5,"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2025-4947","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2025-05-28T13:57:59.462879Z","version":"2.0.3"}}]},"published":"2025-05-28T07:15:24.780","references":[{"source":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":["Patch","Vendor Advisory"],"url":"https://curl.se/docs/CVE-2025-4947.html"},{"source":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":["Vendor Advisory"],"url":"https://curl.se/docs/CVE-2025-4947.json"},{"source":"2499f714-1537-4658-8207-48ae4bb9eae9","tags":["Exploit","Issue Tracking","Patch"],"url":"https://hackerone.com/reports/3150884"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Patch","Third Party Advisory"],"url":"http://www.openwall.com/lists/oss-security/2025/05/28/4"}],"sourceIdentifier":"2499f714-1537-4658-8207-48ae4bb9eae9","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-295"}],"source":"nvd@nist.gov","type":"Primary"}]}