CVE-2020-24511

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Summary

CVECVE-2020-24511
StatePUBLISHED
Assignerintel
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-06-09 19:15:08 UTC
Updated2026-10-08 21:17:25 UTC
DescriptionImproper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

EPSS: 0.003990000 probability, percentile 0.321160000 (date 2026-10-10)

Problem Types: CWE-668 | information disclosure

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
2.0[email protected]Primary2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:L/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Intel Microcode All All All All
Operating System Netapp Fas/aff Bios - All All All
Operating System Netapp Hci Compute Node Bios - All All All
Operating System Netapp Solidfire Bios - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na IntelR Processors affected See references Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Third Party Advisory
Debian -- Security Information -- DSA-4934-1 intel-microcode af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[SECURITY] [DLA 2718-1] intel-microcode security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
INTEL-SA-00464 af854a3a-2127-422b-91ae-364da2661108 www.intel.com Vendor Advisory
Intel SA-00464 Intel Processor Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159257 Oracle Enterprise Linux Security Update for microcode_ctl (ELSA-2021-2305)
  • 159284 Oracle Enterprise Linux Security Update for microcode_ctl (ELSA-2021-2308)
  • 159327 Oracle Enterprise Linux Security Update for microcode_ctl (ELSA-2021-3027)
  • 159328 Oracle Enterprise Linux Security Update for microcode_ctl (ELSA-2021-3028)
  • 178683 Debian Security Update for intel-microcode (DSA 4934-1)
  • 178725 Debian Security Update for intel-microcode (DLA 2718-1)
  • 198411 Ubuntu Security Notification for Intel Microcode vulnerabilities (USN-4985-1)
  • 239405 Red Hat Update for microcode_ctl (RHSA-2021:2308)
  • 239406 Red Hat Update for microcode_ctl (RHSA-2021:2307)
  • 239407 Red Hat Update for microcode_ctl (RHSA-2021:2306)
  • 239408 Red Hat Update for microcode_ctl (RHSA-2021:2305)
  • 239409 Red Hat Update for microcode_ctl (RHSA-2021:2304)
  • 239444 Red Hat Update for microcode_ctl (RHSA-2021:2306)
  • 239533 Red Hat Update for microcode_ctl (RHSA-2021:3029)
  • 239534 Red Hat Update for microcode_ctl (RHSA-2021:3028)
  • 239535 Red Hat Update for microcode_ctl (RHSA-2021:3027)
  • 239569 Red Hat Update for microcode_ctl (RHSA-2021:3176)
  • 239598 Red Hat Update for microcode_ctl (RHSA-2021:3364)
  • 257102 CentOS Security Update for microcode_ctl (CESA-2021:3028)
  • 376933 Alibaba Cloud Linux Security Update for microcode_ctl (ALINUX3-SA-2021:0040)
  • 377088 Alibaba Cloud Linux Security Update for microcode_ctl (ALINUX2-SA-2021:0047)
  • 377112 Alibaba Cloud Linux Security Update for microcode_ctl (ALINUX3-SA-2021:0057)
  • 377204 Alibaba Cloud Linux Security Update for microcode_ctl (ALINUX2-SA-2021:0038)
  • 501195 Alpine Linux Security Update for intel-ucode
  • 504019 Alpine Linux Security Update for intel-ucode
  • 590761 Siemens Industrial Products Intel CPUs (Update B) Multiple Vulnerabilities (ICSA-21-222-05)
  • 750142 SUSE Enterprise Linux Security Update for ucode-intel (SUSE-SU-2021:1929-1)
  • 750145 SUSE Enterprise Linux Security Update for ucode-intel (SUSE-SU-2021:1932-1)
  • 750146 SUSE Enterprise Linux Security Update for ucode-intel (SUSE-SU-2021:1931-1)
  • 750147 SUSE Enterprise Linux Security Update for ucode-intel (SUSE-SU-2021:1930-1)
  • 750150 SUSE Enterprise Linux Security Update for ucode-intel (SUSE-SU-2021:1933-1)
  • 750645 OpenSUSE Security Update for ucode-intel (openSUSE-SU-2021:0876-1)
  • 750817 OpenSUSE Security Update for ucode-intel (openSUSE-SU-2021:1933-1)
  • 940294 AlmaLinux Security Update for microcode_ctl (ALSA-2021:2308)
  • 940391 AlmaLinux Security Update for microcode_ctl (ALSA-2021:3027)
  • 960001 Rocky Linux Security Update for microcode_ctl (RLSA-2021:2308)
  • 960737 Rocky Linux Security Update for microcode_ctl (RLSA-2021:3027)

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