{"id":"CVE-2025-4947","state":"PUBLISHED","title":"QUIC certificate check skip with wolfSSL","description":"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.","publishedAt":"2025-05-28T06:29:34.974Z","updatedAt":"2025-05-28T13:58:33.430Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"curl","products":["curl curl"],"affected":[{"vendor":"curl","product":"curl","defaultStatus":"unaffected","versions":[{"version":"8.13.0","status":"affected","lessThanOrEqual":"8.13.0","versionType":"semver"},{"version":"8.12.1","status":"affected","lessThanOrEqual":"8.12.1","versionType":"semver"},{"version":"8.12.0","status":"affected","lessThanOrEqual":"8.12.0","versionType":"semver"},{"version":"8.11.1","status":"affected","lessThanOrEqual":"8.11.1","versionType":"semver"},{"version":"8.11.0","status":"affected","lessThanOrEqual":"8.11.0","versionType":"semver"},{"version":"8.10.1","status":"affected","lessThanOrEqual":"8.10.1","versionType":"semver"},{"version":"8.10.0","status":"affected","lessThanOrEqual":"8.10.0","versionType":"semver"},{"version":"8.9.1","status":"affected","lessThanOrEqual":"8.9.1","versionType":"semver"},{"version":"8.9.0","status":"affected","lessThanOrEqual":"8.9.0","versionType":"semver"},{"version":"8.8.0","status":"affected","lessThanOrEqual":"8.8.0","versionType":"semver"}]}],"references":["https://curl.se/docs/CVE-2025-4947.json","https://curl.se/docs/CVE-2025-4947.html","https://hackerone.com/reports/3150884","http://www.openwall.com/lists/oss-security/2025/05/28/4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:23.771Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/4xxx/CVE-2025-4947.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-4947","state":"PUBLISHED","datePublished":"2025-05-28T06:29:34.974Z","dateUpdated":"2025-05-28T13:58:33.430Z","assignerShortName":"curl","assignerOrgId":"2499f714-1537-4658-8207-48ae4bb9eae9","dateReserved":"2025-05-19T06:09:52.737Z"},"containers":{"cna":{"title":"QUIC certificate check skip with wolfSSL","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. 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