VDB

CVE-2023-20559

CVE-2023-20559 PUBLISHED

BRLY-2022-042 High CVE-2023-20559 The BINARLY efiXplorer team has discovered an SMM callout vulnerability on a Gigabyte device allowing a potential attacker to hijack execution flow of code running in the System Management Mode. Exploitation of this issue could lead to escalation of privileges to SMM.

EPSS 0.67% · 49.8th percentile

Risk Scores

EPSS Score
0.67%
49.8th percentile

Timeline

  • May 10, 2022 CVE Published
  • Mar 24, 2023 EPSS Score
  • May 2, 2023 EPSS Score
  • Jun 9, 2023 EPSS Score
  • Jul 18, 2023 EPSS Score
  • Aug 26, 2023 EPSS Score
  • Oct 3, 2023 EPSS Score
  • Nov 11, 2023 EPSS Score
  • Dec 20, 2023 EPSS Score
  • Jan 28, 2024 EPSS Score
  • Mar 6, 2024 EPSS Score
  • Apr 14, 2024 EPSS Score
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