{"id":"CVE-2021-43619","aliases":["EUVD-2021-30532","GHSA-w8p4-6wv2-jvj3"],"status":"published","title":"Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update...","description":"Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0042,"percentile":0.36599,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2022-03-01T04:31:25Z","modified":"2026-06-17T04:11:12Z","products":[{"vendor":"trustedfirmware","product":"trusted_firmware-m"}],"references":[{"url":"https://developer.arm.com/support/arm-security-updates","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.trustedfirmware.org","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.html","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43619"},{"url":"https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git"},{"url":"https://github.com/advisories/GHSA-w8p4-6wv2-jvj3"}],"sources":{"cve":[{"id":"CVE-2021-43619","description":"Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.","status":"published","published":"2022-03-01T04:31:25Z","modified":"2024-08-04T04:03:08.768Z","updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30532","description":"Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.","status":"published","published":"2022-03-01T04:31:25Z","modified":"2024-08-04T04:03:08Z","updated_at":"2026-11-03T03:24:13.772922Z"}],"ghsa":[{"id":"GHSA-w8p4-6wv2-jvj3","title":"Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update...","description":"Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.","status":"published","published":"2022-03-02T00:00:20Z","modified":"2024-11-27T21:33:41Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:58:59.313142Z"}],"nvd":[{"id":"CVE-2021-43619","description":"Trusted Firmware M 1.4.x through 1.4.1 has a buffer overflow issue in the Firmware Update partition. In the IPC model, a psa_fwu_write caller from SPE or NSPE can overwrite stack memory locations.","status":"published","published":"2022-03-01T05:15:07.803Z","modified":"2026-06-17T04:11:12.403Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}