CVE-2024-21820

8.5 highEPSS 0.2%

High (8.5). EPSS 0.2% chance of exploitation in the next 30 days.

Incorrect default permissions in some Intel(R) Xeon(R) processor memory controller configurations when using Intel(R) SGX may allow a privileged user to potentially enable escalation of privilege via local access.

Severity

CVSS 4.0

8.5 high

CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

CVSS 3.1

7.2 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-31)
CWE: CWE-276
Published: 2024-11-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01079.html
https://lists.debian.org/debian-lts-announce/2024/12/msg00024.html

Check your stack JSON