{"id":"CVE-2024-0853","state":"PUBLISHED","title":"OCSP verification bypass with TLS session reuse","description":"curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to\nthe same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.","publishedAt":"2024-02-03T13:35:25.863Z","updatedAt":"2025-06-20T20:04:09.066Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","source":"CISA-ADP"},"assigner":"curl","products":["curl curl"],"affected":[{"vendor":"curl","product":"curl","defaultStatus":"unaffected","versions":[{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.0","versionType":"semver"}]}],"references":["https://curl.se/docs/CVE-2024-0853.json","https://curl.se/docs/CVE-2024-0853.html","https://hackerone.com/reports/2298922","https://security.netapp.com/advisory/ntap-20240307-0004/","https://security.netapp.com/advisory/ntap-20240426-0009/","https://security.netapp.com/advisory/ntap-20240503-0012/"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/0xxx/CVE-2024-0853.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-0853","state":"PUBLISHED","datePublished":"2024-02-03T13:35:25.863Z","dateUpdated":"2025-06-20T20:04:09.066Z","assignerShortName":"curl","assignerOrgId":"2499f714-1537-4658-8207-48ae4bb9eae9","dateReserved":"2024-01-24T08:42:02.618Z"},"containers":{"cna":{"title":"OCSP verification bypass with TLS session reuse","descriptions":[{"lang":"en","value":"curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to\nthe same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check."}],"affected":[{"vendor":"curl","product":"curl","defaultStatus":"unaffected","versions":[{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.0","versionType":"semver"}]}],"references":[{"url":"https://curl.se/docs/CVE-2024-0853.json","name":"json"},{"url":"https://curl.se/docs/CVE-2024-0853.html","name":"www"},{"url":"https://hackerone.com/reports/2298922","name":"issue"},{"url":"https://security.netapp.com/advisory/ntap-20240307-0004/"},{"url":"https://security.netapp.com/advisory/ntap-20240426-0009/"},{"url":"https://security.netapp.com/advisory/ntap-20240503-0012/"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-299 Improper Check for Certificate Revocation"}]}],"providerMetadata":{"shortName":"curl","orgId":"2499f714-1537-4658-8207-48ae4bb9eae9","dateUpdated":"2024-05-03T13:06:05.485Z"},"credits":[{"lang":"en","value":"Hiroki Kurosawa","type":"finder"},{"lang":"en","value":"Daniel Stenberg","type":"remediation developer"}]},"adp":[{"title":"CVE Program Container","references":[{"url":"https://curl.se/docs/CVE-2024-0853.json","name":"json","tags":["x_transferred"]},{"url":"https://curl.se/docs/CVE-2024-0853.html","name":"www","tags":["x_transferred"]},{"url":"https://hackerone.com/reports/2298922","name":"issue","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240307-0004/","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240426-0009/","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20240503-0012/","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T18:18:19.012Z"}},{"title":"CISA ADP Vulnrichment","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:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-02-13T19:54:33.332536Z","id":"CVE-2024-0853","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-20T20:04:09.066Z"}}]}}}