Medium severity · published Feb 12, 2025
CVE-2024-21859
Improper buffer restrictions in the UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Improper buffer restrictions in the UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% 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
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-21859
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-21859
intel.com
https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01198.html
More from Intel(R) Processors
8.8
CVE-2024-36242
Protection mechanism failure in the SPP for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via local access
8.2
CVE-2023-43758
Improper input validation in UEFI firmware for some Intel(R) processors may allow a privileged user to potentially enable escalation of privilege via local access
8.0
CVE-2023-25756
Out-of-bounds read in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege via adjacent access
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-2023-23583
Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or…