{"cve":"CVE-2014-2522","nvd":{"published":"2014-04-18T22:14:38.587","modified":"2026-06-17T00:06:45.210","status":"Modified","description":"curl and libcurl 7.27.0 through 7.35.0, when running on Windows and using the SChannel/Winssl TLS backend, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-20"],"references":["http://curl.haxx.se/docs/adv_20140326D.html","http://seclists.org/oss-sec/2014/q1/585","http://seclists.org/oss-sec/2014/q1/586","http://secunia.com/advisories/57836","http://secunia.com/advisories/57966"],"products":["haxx:curl","haxx:libcurl"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2014-2522","score":0.02648,"percentile":0.85616,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}