Medium severity · published Jun 9, 2021
CVE-2020-24511
Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IP
Intel(R) Processors ·
See references · source: vendor
DL
Debian Linux · Debian
10.0 · source: NVD
FB
Fas/aff Bios · Netapp
All versions, or not specified · source: NVD
HC
Hci Compute Node Bios · Netapp
All versions, or not specified · source: NVD
MI
Microcode · Intel
before 20210608 · source: NVD
SB
Solidfire Bios · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-24511
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-24511
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-309571.pdf
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00022.html
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210611-0005/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4934
Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00464.html
More from Intel(R) Processors
7.8
CVE-2025-20109
Improper Isolation or Compartmentalization in the stream cache mechanism for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege…
7.8
CVE-2020-12360
Out of bounds read in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access
7.0
CVE-2026-20716
Improper access control for some Intel(R) Processors within Ring 3: User Applications may allow an escalation of privilege
6.8
CVE-2026-20760
Improper handling of overlap between protected memory ranges in some microcode for some Intel(R) Processors within Ring 0: Hypervisor may allow an escalation of privilege
6.8
CVE-2025-35979
Exposure of sensitive information caused by shared microarchitectural predictor state that influences transient execution for some Intel(R) Processors within VMX non-root (guest)…