{"id":"CVE-2021-27562","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-27562","summary":"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…","details":"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.","published":"2021-05-25T19:15:07.737","modified":"2026-06-17T03:45:08.407","cvss":{"score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.03093,"percentile":0.86871,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://developer.arm.com/support/arm-security-updates"},{"type":"ADVISORY","url":"https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst"},{"type":"ADVISORY","url":"https://developer.arm.com/support/arm-security-updates"},{"type":"ADVISORY","url":"https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst"},{"type":"WEB","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27562"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T03:45:08.407"}}