{"id":"CVE-2021-24117","aliases":["EUVD-2021-11032","GHSA-qc79-wmwr-7fjh"],"status":"published","title":"In Rust SGX 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level ...","description":"In Apache Teaclave Rust SGX SDK 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02221,"percentile":0.82828,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-203"],"published":"2021-07-14T13:09:52Z","modified":"2026-10-24T10:50:08Z","products":[{"vendor":"apache","product":"teaclave_sgx_sdk"}],"references":[{"url":"https://docs.rs/crate/sgx_tstd/1.1.1","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory"]},{"url":"https://github.com/dingelish/rust-base64/commit/a554b7ae880553db6dde8a387101a093911d5b2a","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/UzL-ITS/util-lookup/blob/main/cve-vulnerability-publication.md","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24117"},{"url":"https://github.com/advisories/GHSA-qc79-wmwr-7fjh"}],"sources":{"cve":[{"id":"CVE-2021-24117","description":"In Apache Teaclave Rust SGX SDK 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.","status":"published","published":"2021-07-14T13:09:52Z","modified":"2024-08-03T19:21:18.371Z","updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-11032","description":"In Apache Teaclave Rust SGX SDK 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.","status":"published","published":"2021-07-14T13:09:52Z","modified":"2024-08-03T19:21:18Z","updated_at":"2026-11-03T03:24:59.661237Z"}],"ghsa":[{"id":"GHSA-qc79-wmwr-7fjh","title":"In Rust SGX 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level ...","description":"In Rust SGX 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.","status":"published","published":"2022-05-24T19:07:59Z","modified":"2023-01-30T05:00:43Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:46:15.885384Z"}],"nvd":[{"id":"CVE-2021-24117","description":"In Apache Teaclave Rust SGX SDK 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.","status":"published","published":"2021-07-14T14:15:08.81Z","modified":"2026-06-17T03:39:25.47Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-203"],"updated_at":"2026-11-02T14:06:55.747384Z"}],"osv":[{"id":"CVE-2021-24117","description":"In Apache Teaclave Rust SGX SDK 1.1.3, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be single stepped, especially Intel SGX.","status":"published","published":"2021-07-14T14:15:08.81Z","modified":"2026-10-24T10:50:08.000784191Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"}]}}