{"cve":"CVE-2021-20316","nvd":{"published":"2022-08-23T16:15:09.147","modified":"2026-06-17T03:33:39.623","status":"Modified","description":"A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with permissions to read or modify share metadata, to perform this operation outside of the share.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","score":6.8},"cwes":["CWE-362"],"references":["https://access.redhat.com/security/cve/CVE-2021-20316","https://bugzilla.redhat.com/show_bug.cgi?id=2009673","https://bugzilla.samba.org/show_bug.cgi?id=14842","https://security-tracker.debian.org/tracker/CVE-2021-20316","https://security.gentoo.org/glsa/202309-06"],"products":["debian:debian_linux","redhat:enterprise_linux","redhat:enterprise_linux_aus","redhat:enterprise_linux_eus","redhat:enterprise_linux_tus","redhat:virtualization_host","samba:samba"],"source":"nvd","synced_at":"2026-10-19T21:34:18.502168378+00:00"},"epss":{"cve":"CVE-2021-20316","score":0.01042,"percentile":0.64093,"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."]}