{"cve_id":"CVE-2021-27562","published":"2021-05-25T19:15:07.737000+00:00","last_modified":"2026-06-17T03:45:08.407000+00:00","vuln_status":"Analyzed","description":"In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","base_score":5.5,"base_severity":"MEDIUM","attack_vector":"LOCAL","privileges_req":"LOW","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"NONE","impact_i":"NONE","impact_a":"HIGH","cwe_ids":["CWE-787"],"in_kev":true,"kev_date_added":"2021-11-03","kev_ransomware":false,"epss_score":0.0306,"epss_percentile":0.87606,"cap_rule_version":"0.1.1","stage":"EXECUTION","req_access":"USER","req_vector":"LOCAL","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC","DOS"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T09:41:33.892865+00:00","first_seen":"2021-05-25T19:15:07.737000+00:00","kev_first_seen":"2021-11-03T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["trustedfirmware"],"products":["trusted_firmware-m"],"affected":[{"vendor":"trustedfirmware","product":"trusted_firmware-m","ranges":["≤ 1.2.0"]}]}