{"cve":"CVE-2021-22923","nvd":{"published":"2021-08-05T21:15:11.293","modified":"2026-10-14T11:16:53.617","status":"Modified","description":"When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user's expectations and intentions and without telling the user it happened.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","score":5.3},"cwes":["CWE-319","CWE-522"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","https://hackerone.com/reports/1213181","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRUCW2UVNYUDZF72DQLFQR4PJEC6CF7V/","https://security.gentoo.org/glsa/202212-01","https://security.netapp.com/advisory/ntap-20210902-0003/"],"products":["fedoraproject:fedora","haxx:curl","netapp:cloud_backup","netapp:clustered_data_ontap","netapp:h300e_firmware","netapp:h300s_firmware","netapp:h410s_firmware","netapp:h500e_firmware","netapp:h500s_firmware","netapp:h700e_firmware","netapp:h700s_firmware","netapp:hci_management_node","netapp:solidfire","oracle:mysql_server","siemens:sinec_infrastructure_network_services","splunk:universal_forwarder"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-22923","score":0.02002,"percentile":0.8064,"date":"2026-10-25"},"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."]}