{"id":"CVE-2020-24512","title":"Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.","summary":"Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.","severity":"low","cvss":3.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cwe":["CWE-203","CWE-200"],"vendor":"intel","product":"microcode","affected":["microcode < 20210608","debian_linux = 10.0","fas/aff_bios","hci_compute_node_bios","solidfire_bios"],"patched":["microcode 20210608"],"published":"2021-06-09","updated":"2026-10-08","sourceUpdated":"2026-10-08T21:17:25.730","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-24512","references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf","label":"secure@intel.com"},{"url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00022.html","label":"secure@intel.com"},{"url":"https://security.netapp.com/advisory/ntap-20210611-0005/","label":"secure@intel.com"},{"url":"https://www.debian.org/security/2021/dsa-4934","label":"secure@intel.com"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00464.html","label":"secure@intel.com"},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00022.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20210611-0005/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2021/dsa-4934","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00464.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-24512.json"},{"url":"https://access.redhat.com/security/cve/CVE-2020-24512"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1962722"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24512"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24512"},{"url":"https://access.redhat.com/errata/RHSA-2021:2299"},{"url":"https://access.redhat.com/errata/RHSA-2021:3028"},{"url":"https://access.redhat.com/errata/RHSA-2021:2305"},{"url":"https://access.redhat.com/errata/RHSA-2021:2304"},{"url":"https://access.redhat.com/errata/RHSA-2021:3029"},{"url":"https://access.redhat.com/errata/RHSA-2021:2300"},{"url":"https://access.redhat.com/errata/RHSA-2021:3323"},{"url":"https://access.redhat.com/errata/RHSA-2021:2302"},{"url":"https://access.redhat.com/errata/RHSA-2021:3322"},{"url":"https://access.redhat.com/errata/RHSA-2021:2301"},{"url":"https://access.redhat.com/errata/RHSA-2021:3255"},{"url":"https://access.redhat.com/errata/RHSA-2021:2303"},{"url":"https://access.redhat.com/errata/RHSA-2021:3317"},{"url":"https://access.redhat.com/errata/RHSA-2021:2306"},{"url":"https://access.redhat.com/errata/RHSA-2021:3176"},{"url":"https://access.redhat.com/errata/RHSA-2021:2307"},{"url":"https://access.redhat.com/errata/RHSA-2021:3364"},{"url":"https://access.redhat.com/errata/RHSA-2021:2308"},{"url":"https://access.redhat.com/errata/RHSA-2021:3027"}],"tags":["nvd","csaf","vex","red-hat","cve.org"],"epss":0.00383,"epssPercentile":0.32163,"ingestedAt":"2026-10-08T22:11:53.734Z","scores":{"nvd":3.3,"vendor":2.8},"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-08T21:02:13.466516Z"},"slug":"CVE-2020-24512","body":"## Overview\n\nObservable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.\n\n## Affected\n\n- `microcode < 20210608`\n- `debian_linux = 10.0`\n- `fas/aff_bios`\n- `hci_compute_node_bios`\n- `solidfire_bios`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `microcode 20210608`\n\n## Vendor advisories\n\n- **RHSA-2021:2299** · Red Hat · fixed in: Red Hat Enterprise Linux Server (v. 6 ELS) · released 2021-06-09 · [advisory](https://access.redhat.com/errata/RHSA-2021:2299)\n- **RHSA-2021:3028** · Red Hat · fixed in: Red Hat Enterprise Linux Client (v. 7), Red Hat Enterprise Linux Server (v. 7), Red Hat Enterprise Linux Workstation (v. 7) · released 2021-08-09 · [advisory](https://access.redhat.com/errata/RHSA-2021:3028)\n- **RHSA-2021:2305** · Red Hat · fixed in: Red Hat Enterprise Linux Client (v. 7), Red Hat Enterprise Linux Server (v. 7), Red Hat Enterprise Linux Workstation (v. 7) · released 2021-06-09 · [advisory](https://access.redhat.com/errata/RHSA-2021:2305)\n- **RHSA-2021:2304** · Red Hat · fixed in: Red Hat Enterprise Linux ComputeNode EUS (v. 7.7), Red Hat Enterprise Linux Server EUS (v. 7.7) · released 2021-06-09 · [advisory](https://access.redhat.com/errata/RHSA-2021:2304)\n- **RHSA-2021:3029** · Red Hat · fixed in: Red Hat Enterprise Linux ComputeNode EUS (v. 7.7), Red Hat Enterprise Linux Server EUS (v. 7.7) · released 2021-08-10 · [advisory](https://access.redhat.com/errata/RHSA-2021:3029)\n- **RHSA-2021:2300** · Red Hat · fixed in: Red Hat Enterprise Linux Server AUS (v. 7.2) · released 2021-06-09 · [advisory](https://access.redhat.com/errata/RHSA-2021:2300)\n- **RHSA-2021:3323** · Red Hat · fixed in: Red Hat Enterprise Linux Server AUS (v. 7.2) · released 2021-08-31 · [advisory](https://access.redhat.com/errata/RHSA-2021:3323)\n- **RHSA-2021:2302** · Red Hat · fixed in: Red Hat Enterprise Linux Server AUS (v. 7.3) · released 2021-06-09 · [advisory](https://access.redhat.com/errata/RHSA-2021:2302)\n- **RHSA-2021:3322** · Red Hat · fixed in: Red Hat Enterprise Linux Server AUS (v. 7.3) · released 2021-08-31 · [advisory](https://access.redhat.com/errata/RHSA-2021:3322)\n- **RHSA-2021:2301** · Red Hat · fixed in: Red Hat Enterprise Linux Server AUS (v. 7.4), Red Hat Enterprise Linux Server E4S (v. 7.4), Red Hat Enterprise Linux Server TUS (v. 7.4) · released 2021-06-09 · [advisory](https://access.redhat.com/errata/RHSA-2021:2301)\n- **RHSA-2021:3255** · Red Hat · fixed in: Red Hat Enterprise Linux Server AUS (v. 7.4), Red Hat Enterprise Linux Server E4S (v. 7.4), Red Hat Enterprise Linux Server TUS (v. 7.4) · released 2021-08-24 · [advisory](https://access.redhat.com/errata/RHSA-2021:3255)","depth":"sunlit","depthScore":18,"depthScoreParts":{"impact":18.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}