{"cve":"CVE-2003-0189","nvd":{"published":"2003-06-09T04:00:00.000","modified":"2026-06-16T22:01:43.140","status":"Modified","description":"The authentication module for Apache 2.0.40 through 2.0.45 on Unix does not properly handle threads safely when using the crypt_r or crypt functions, which allows remote attackers to cause a denial of service (failed Basic authentication with valid usernames and passwords) when a threaded MPM is used.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000661","http://marc.info/?l=bugtraq&m=105418115512559&w=2","http://secunia.com/advisories/8881","http://www.apache.org/dist/httpd/Announcement2.html","http://www.kb.cert.org/vuls/id/479268"],"products":["apache:http_server"],"source":"nvd","synced_at":"2026-10-19T19:35:54.859949650+00:00"},"epss":{"cve":"CVE-2003-0189","score":0.15122,"percentile":0.9674,"date":"2026-11-01"},"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."]}