{"id":"CVE-2022-46487","aliases":["EUVD-2022-49291","GHSA-p2fm-m9qc-j6x3"],"status":"published","title":"Improper initialization of x87 and SSE floating-point configuration registers in the...","description":"Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.","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":"2026-11-09","score":0.00596,"percentile":0.48775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-665"],"published":"2023-12-30T00:00:00Z","modified":"2026-06-17T05:11:50Z","products":[{"vendor":"scontain","product":"scone"}],"references":[{"url":"https://sconedocs.github.io/release5.7/","tags":["x_transferred","Release Notes"]},{"url":"https://jovanbulck.github.io/files/acsac20-fpu.pdf","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/best-practices/data-operand-independent-timing-isa-guidance.html#inpage-nav-3-3","tags":["x_transferred","Technical Description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15107","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0561#vulnCurrentDescriptionTitle","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://jovanbulck.github.io/files/oakland24-pandora.pdf","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-46487"},{"url":"https://sconedocs.github.io/release5.7"},{"url":"https://github.com/advisories/GHSA-p2fm-m9qc-j6x3"}],"sources":{"cve":[{"id":"CVE-2022-46487","description":"Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.","status":"published","published":"2023-12-30T00:00:00Z","modified":"2025-04-17T20:07:28.695Z","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":"adp"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:34:32.156873Z"}],"euvd":[{"id":"EUVD-2022-49291","description":"Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.","status":"published","published":"2023-12-30T00:00:00Z","modified":"2025-04-17T20:07:28Z","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"}],"updated_at":"2026-11-02T20:52:20.597725Z"}],"ghsa":[{"id":"GHSA-p2fm-m9qc-j6x3","title":"Improper initialization of x87 and SSE floating-point configuration registers in the...","description":"Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.","status":"published","published":"2023-12-30T03:30:19Z","modified":"2025-04-17T21:31:46Z","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-665"],"updated_at":"2026-11-02T15:01:37.946112Z"}],"nvd":[{"id":"CVE-2022-46487","description":"Improper initialization of x87 and SSE floating-point configuration registers in the __scone_entry component of SCONE before 5.8.0 for Intel SGX allows a local attacker to compromise the execution integrity of floating-point operations in an enclave or access sensitive information via side-channel analysis.","status":"published","published":"2023-12-30T03:15:08.233Z","modified":"2026-06-17T05:11:50.213Z","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":"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":"secondary"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:07:39.811118Z"}]}}