{"cve":"CVE-2021-3948","nvd":{"published":"2022-02-18T18:15:09.833","modified":"2026-06-17T04:06:16.863","status":"Modified","description":"An incorrect default permissions vulnerability was found in the mig-controller. Due to an incorrect cluster namespaces handling an attacker may be able to migrate a malicious workload to the target cluster, impacting confidentiality, integrity, and availability of the services located on that cluster.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","score":6.3},"cwes":["CWE-276"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=2022017","https://bugzilla.redhat.com/show_bug.cgi?id=2022017"],"products":["konveyor:mig-controller","redhat:migration_toolkit"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-3948","score":0.00564,"percentile":0.46862,"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."]}