{"id":"CVE-2022-46392","details":"An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. An adversary with access to precise enough information about memory accesses (typically, an untrusted operating system attacking a secure enclave) can recover an RSA private key after observing the victim performing a single private-key operation, if the window size (MBEDTLS_MPI_WINDOW_SIZE) used for the exponentiation is 3 or smaller.","modified":"2026-08-27T03:31:04.605668332Z","published":"2022-12-15T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/46xxx/CVE-2022-46392.json"},"references":[{"type":"WEB","url":"https://github.com/Mbed-TLS/mbedtls/releases/tag/v2.28.2"},{"type":"WEB","url":"https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.3.0"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00034.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/46xxx/CVE-2022-46392.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4BR7ZCVKLPGCOEEALUHZMFHXQHR6S4QL/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XMKJ5IMJEPXYAHHU56Z4P2FSYIEAESB/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-46392"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mbed-tls/mbedtls","events":[{"introduced":"8df2f8e7b9c7bb9390ac74bb7bace27edca81a2b"},{"fixed":"8c89224991adff88d53cd380f42a2baa36f91454"},{"fixed":"89f040a5c938985c5f30728baed21e49d0846a53"}],"database_specific":{"cpe":"cpe:2.3:a:trustedfirmware:mbed_tls:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.0.0"},{"fixed":"3.3.0"}],"source":["CPE_RANGE","REFERENCES"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-46392.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N"}]}