{"api_version":"1","generated_at":"2026-04-23T07:57:00+00:00","cve":"CVE-2021-41615","urls":{"html":"https://cve.report/CVE-2021-41615","api":"https://cve.report/api/cve/CVE-2021-41615.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-41615","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-41615"},"summary":{"title":"CVE-2021-41615","description":"websda.c in GoAhead WebServer 2.1.8 has insufficient nonce entropy because the nonce calculation relies on the hardcoded onceuponatimeinparadise value, which does not follow the secret-data guideline for HTTP Digest Access Authentication in RFC 7616 section 3.3 (or RFC 2617 section 3.2.1). NOTE: 2.1.8 is a version from 2003; however, the affected websda.c code appears in multiple derivative works that may be used in 2021. Recent GoAhead software is unaffected.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-08-08 19:15:00","updated_at":"2022-08-12 15:02:00"},"problem_types":["CWE-331"],"metrics":[],"references":[{"url":"https://devel.rtems.org/browser/rtems/cpukit/httpd/websda.c?rev=c1427d2758079f0e9dd6a8de1662d78e0d6bc4ca","name":"https://devel.rtems.org/browser/rtems/cpukit/httpd/websda.c?rev=c1427d2758079f0e9dd6a8de1662d78e0d6bc4ca","refsource":"MISC","tags":[],"title":"websda.c in rtems/cpukit/httpd\n     – RTEMS Project","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/trenta3/goahead-versions/blob/master/2.1.8/230165webs218.tar.gz?raw=true","name":"https://github.com/trenta3/goahead-versions/blob/master/2.1.8/230165webs218.tar.gz?raw=true","refsource":"MISC","tags":[],"title":"","mime":"application/gzip","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-41615","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41615","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"41615","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"embedthis","cpe5":"goahead","cpe6":"2.1.8","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-41615","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"websda.c in GoAhead WebServer 2.1.8 has insufficient nonce entropy because the nonce calculation relies on the hardcoded onceuponatimeinparadise value, which does not follow the secret-data guideline for HTTP Digest Access Authentication in RFC 7616 section 3.3 (or RFC 2617 section 3.2.1). NOTE: 2.1.8 is a version from 2003; however, the affected websda.c code appears in multiple derivative works that may be used in 2021. Recent GoAhead software is unaffected."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://devel.rtems.org/browser/rtems/cpukit/httpd/websda.c?rev=c1427d2758079f0e9dd6a8de1662d78e0d6bc4ca","refsource":"MISC","name":"https://devel.rtems.org/browser/rtems/cpukit/httpd/websda.c?rev=c1427d2758079f0e9dd6a8de1662d78e0d6bc4ca"},{"url":"https://github.com/trenta3/goahead-versions/blob/master/2.1.8/230165webs218.tar.gz?raw=true","refsource":"MISC","name":"https://github.com/trenta3/goahead-versions/blob/master/2.1.8/230165webs218.tar.gz?raw=true"}]}},"nvd":{"publishedDate":"2022-08-08 19:15:00","lastModifiedDate":"2022-08-12 15:02:00","problem_types":["CWE-331"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:embedthis:goahead:2.1.8:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"41615","Ordinal":"217417","Title":"CVE-2021-41615","CVE":"CVE-2021-41615","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"41615","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}