{"schemaVersion":3,"id":"CVE-2014-2522","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2014-04-18T19:00:00.000Z","modified":"2024-08-06T10:14:26.532Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:H/Au:N/C:P/I:P/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4,"severity":"medium","vector":"AV:N/AC:H/Au:N/C:P/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02648,"percentile":0.854,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0.07199999999999984,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02576},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02648,"percentile":0.854}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02576,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02648,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02648,"percentile":0.854}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"}],"affected":[{"vendor":"haxx","product":"curl","name":"curl","label":"curl","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.27.0","noFixRecorded":false,"fixedIn":null},{"text":"7.28.0","noFixRecorded":false,"fixedIn":null},{"text":"7.28.1","noFixRecorded":false,"fixedIn":null},{"text":"7.29.0","noFixRecorded":false,"fixedIn":null},{"text":"7.30.0","noFixRecorded":false,"fixedIn":null},{"text":"7.31.0","noFixRecorded":false,"fixedIn":null},{"text":"7.32.0","noFixRecorded":false,"fixedIn":null},{"text":"7.33.0","noFixRecorded":false,"fixedIn":null},{"text":"7.34.0","noFixRecorded":false,"fixedIn":null},{"text":"7.35.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.27.0 | 7.28.0 | 7.28.1 | 7.29.0 | 7.30.0 | 7.31.0 | 7.32.0 | 7.33.0 | 7.34.0 | 7.35.0","eol":null,"hubHref":"/vendor/haxx/curl"},{"vendor":"haxx","product":"libcurl","name":"libcurl","label":"libcurl","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.27.0","noFixRecorded":false,"fixedIn":null},{"text":"7.28.0","noFixRecorded":false,"fixedIn":null},{"text":"7.28.1","noFixRecorded":false,"fixedIn":null},{"text":"7.29.0","noFixRecorded":false,"fixedIn":null},{"text":"7.30.0","noFixRecorded":false,"fixedIn":null},{"text":"7.31.0","noFixRecorded":false,"fixedIn":null},{"text":"7.32.0","noFixRecorded":false,"fixedIn":null},{"text":"7.33.0","noFixRecorded":false,"fixedIn":null},{"text":"7.34.0","noFixRecorded":false,"fixedIn":null},{"text":"7.35.0","noFixRecorded":false,"fixedIn":null},{"text":"7.36.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.27.0 | 7.28.0 | 7.28.1 | 7.29.0 | 7.30.0 | 7.31.0 | 7.32.0 | 7.33.0 | 7.34.0 | 7.35.0 | 7.36.0","eol":null,"hubHref":"/vendor/haxx/libcurl"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095862","label":"www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095862","hostname":"www-947.ibm.com","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/57836","label":"secunia.com/advisories/57836","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/66296","label":"www.securityfocus.com/bid/66296","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID"]},{"url":"http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/","label":"www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/","hostname":"www.getchef.com","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/59458","label":"secunia.com/advisories/59458","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA"]},{"url":"http://seclists.org/oss-sec/2014/q1/586","label":"seclists.org/oss-sec/2014/q1/586","hostname":"seclists.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"http://secunia.com/advisories/57968","label":"secunia.com/advisories/57968","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]},{"url":"http://seclists.org/oss-sec/2014/q1/585","label":"seclists.org/oss-sec/2014/q1/585","hostname":"seclists.org","tags":["Mailing List","X Refsource MLIST"]},{"url":"http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/","label":"www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/","hostname":"www.getchef.com","tags":["X Refsource CONFIRM"]},{"url":"http://curl.haxx.se/docs/adv_20140326D.html","label":"curl.haxx.se/docs/adv_20140326D.html","hostname":"curl.haxx.se","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/","label":"www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/","hostname":"www.getchef.com","tags":["X Refsource CONFIRM"]},{"url":"http://secunia.com/advisories/57966","label":"secunia.com/advisories/57966","hostname":"secunia.com","tags":["Third Party Advisory","X Refsource SECUNIA","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2014-04-18T19:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-06T10:14:26.532Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":17,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T03:49:42.189Z","stale":false,"partial":false}}