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Vulnerability Details CVE-2022-36338

An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.2%
CVSS Severity
CVSS v3 Score 8.2
Products affected by CVE-2022-36338
  • Insyde » Insydeh2o » Version: 05.0a.11
    cpe:2.3:a:insyde:insydeh2o:05.0a.11
  • Insyde » Insydeh2o » Version: 5.0
    cpe:2.3:a:insyde:insydeh2o:5.0
  • Insyde » Insydeh2o » Version: 5.1
    cpe:2.3:a:insyde:insydeh2o:5.1
  • Insyde » Insydeh2o » Version: 5.2
    cpe:2.3:a:insyde:insydeh2o:5.2
  • Insyde » Insydeh2o » Version: 5.2.05.27.29
    cpe:2.3:a:insyde:insydeh2o:5.2.05.27.29
  • Insyde » Insydeh2o » Version: 5.2.05.28.22
    cpe:2.3:a:insyde:insydeh2o:5.2.05.28.22
  • Insyde » Insydeh2o » Version: 5.2.05.28.33
    cpe:2.3:a:insyde:insydeh2o:5.2.05.28.33
  • Insyde » Insydeh2o » Version: 5.2.05.28.47
    cpe:2.3:a:insyde:insydeh2o:5.2.05.28.47
  • Insyde » Insydeh2o » Version: 5.3
    cpe:2.3:a:insyde:insydeh2o:5.3
  • Insyde » Insydeh2o » Version: 5.3.05.36.29
    cpe:2.3:a:insyde:insydeh2o:5.3.05.36.29
  • Insyde » Insydeh2o » Version: 5.3.05.37.17
    cpe:2.3:a:insyde:insydeh2o:5.3.05.37.17
  • Insyde » Insydeh2o » Version: 5.3.05.37.22
    cpe:2.3:a:insyde:insydeh2o:5.3.05.37.22
  • Insyde » Insydeh2o » Version: 5.3.05.37.33
    cpe:2.3:a:insyde:insydeh2o:5.3.05.37.33
  • Insyde » Insydeh2o » Version: 5.3.05.37.47
    cpe:2.3:a:insyde:insydeh2o:5.3.05.37.47
  • Insyde » Insydeh2o » Version: 5.4
    cpe:2.3:a:insyde:insydeh2o:5.4
  • Insyde » Insydeh2o » Version: 5.4.05.44.13
    cpe:2.3:a:insyde:insydeh2o:5.4.05.44.13
  • Insyde » Insydeh2o » Version: 5.4.05.45.17
    cpe:2.3:a:insyde:insydeh2o:5.4.05.45.17
  • Insyde » Insydeh2o » Version: 5.4.05.45.22
    cpe:2.3:a:insyde:insydeh2o:5.4.05.45.22
  • Insyde » Insydeh2o » Version: 5.4.05.45.33
    cpe:2.3:a:insyde:insydeh2o:5.4.05.45.33
  • Insyde » Insydeh2o » Version: 5.4.05.45.47
    cpe:2.3:a:insyde:insydeh2o:5.4.05.45.47
  • Insyde » Insydeh2o » Version: 5.5
    cpe:2.3:a:insyde:insydeh2o:5.5


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