CVE-2021-33626High· 7.8▾ TwilightA vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corru…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 11.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
0.3% → 0.3%
A vulnerability exists in SMM (System Management Mode) branch that registers a SWSMI handler that does not sufficiently check or validate the allocated buffer pointer(QWORD values for CommBuffer). This can be used by an attacker to corrupt data in SMRAM memory and even lead to arbitrary code execution.
insydeh2o >= 5.3, < 5.34.44insydeh2o >= 5.2, < 5.25.44insydeh2o >= 5.1, < 5.16.25insydeh2o >= 5.4, < 5.42.44insydeh2o >= 5.3, < 5.35.25insydeh2o >= 5.2, < 5.26.25insydeh2o >= 5.4, < 5.43.25ruggedcom_apr1808_firmwaresimatic_field_pg_m5_firmwaresimatic_field_pg_m6_firmwaresimatic_ipc127e_firmwaresimatic_ipc227g_firmwaresimatic_ipc277g_firmwaresimatic_ipc327g_firmwaresimatic_ipc377g_firmwaresimatic_ipc427e_firmwaresimatic_ipc477e_firmwaresimatic_ipc477e_pro_firmwaresimatic_ipc627e_firmwaresimatic_ipc647e_firmwaresimatic_ipc677e_firmwaresimatic_ipc847e_firmwaresimatic_itp1000_firmwareUpgrade past the affected range:
insydeh2o 5.43.25Connected by shared product, vendor, weakness, or advisory.
CVE-2021-41841High· 8.2An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O
CVE-2022-24031High· 8.2An issue was discovered in NvmExpressDxe in Insyde InsydeH2O with kernel 5.1 through 5.5
CVE-2022-24030High· 7.5An issue was discovered in AhciBusDxe in Insyde InsydeH2O with kernel 5.1 through 5.5
CVE-2021-43615High· 8.2An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and 5.5 before 05.51.22
CVE-2021-43323High· 8.2An issue was discovered in UsbCoreDxe in Insyde InsydeH2O with kernel 5.5 before 05.51.45, 5.4 before 05.43.45, 5.3 before 05.35.45, 5.2 before 05.26.45, 5.1 before 05.16.45, and 5.0 before 05.08.45
CVE-2021-42554High· 8.2An issue was discovered in Insyde InsydeH2O with Kernel 5.0 before 05.08.42, Kernel 5.1 before 05.16.42, Kernel 5.2 before 05.26.42, Kernel 5.3 before 05.35.42, Kernel 5.4 before 05.42.51, and Kernel 5.5 before 05.50.51