CVE-2020-27339
—CVSS 3.1
6.7 medium
EPSS
<1%p24
Published
()
Modified
Description
In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and SdMmcDeviceDxe drivers are 05.16.25, 05.26.25, 05.35.25, 05.43.25, and 05.51.25 (for Kernel 5.1 through 5.5).
- Vendors
- insydesiemens
- Products
- insydeh2o, ruggedcom apr1808 firmware, simatic field pg m5 firmware, simatic field pg m6 firmware, simatic ipc127e firmware, simatic ipc227g firmware, simatic ipc277g firmware, simatic ipc327g firmware, simatic ipc377g firmware, simatic ipc427e firmware, simatic ipc477e firmware, simatic ipc477e pro firmware
- Weakness
- CWE-20
- Vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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