{"cve_id":"CVE-2021-3560","published":"2022-02-16T19:15:08.450000+00:00","last_modified":"2026-06-17T04:05:20.767000+00:00","vuln_status":"Analyzed","description":"It was found that polkit could be tricked into bypassing the credential checks for D-Bus requests, elevating the privileges of the requestor to the root user. This flaw could be used by an unprivileged local attacker to, for example, create a new local administrator. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","base_score":7.8,"base_severity":"HIGH","attack_vector":"LOCAL","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-863","CWE-754"],"in_kev":true,"kev_date_added":"2023-05-12","kev_ransomware":false,"epss_score":0.23708,"epss_percentile":0.9782,"cap_rule_version":"0.1.1","stage":"PRIV_ESC","req_access":"USER","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"PRIV","caps":["AUTH_BYPASS","CODE_EXEC","PRIV_GAIN"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:58:03.213868+00:00","first_seen":"2022-02-16T19:15:08.450000+00:00","kev_first_seen":"2023-05-12T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["canonical","debian","polkit_project","redhat"],"products":["debian_linux","enterprise_linux","openshift_container_platform","polkit","ubuntu_linux","virtualization","virtualization_host"],"affected":[{"vendor":"canonical","product":"ubuntu_linux","ranges":["20.04"]},{"vendor":"debian","product":"debian_linux","ranges":["11.0"]},{"vendor":"polkit_project","product":"polkit","ranges":["< 0.119"]},{"vendor":"redhat","product":"openshift_container_platform","ranges":["4.7"]},{"vendor":"redhat","product":"virtualization","ranges":["4.0"]},{"vendor":"redhat","product":"virtualization_host","ranges":["4.0"]}]}