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Incomplete Cleanup

CVE-2023-20518

Low
1.9/10

Summary

Incomplete cleanup in the ASP may expose the Master Encryption Key (MEK) to a privileged attacker with access to the BIOS menu or UEFI shell and a memory exfiltration vulnerability, potentially resulting in loss of confidentiality.

  • HIGH
  • LOCAL
  • NONE
  • UNCHANGED
  • NONE
  • HIGH
  • LOW
  • NONE

CWE-459 - Incomplete Cleanup

The software does not properly "clean up" and remove temporary or supporting resources after they have been used.

References

Advisory Timeline

  • Published