CVE-2021-41837
—CVSS 3.1
8.2 high
EPSS
<1%p20
Published
()
Modified
Description
An issue was discovered in AhciBusDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. Because of an Untrusted Pointer Dereference that causes SMM memory corruption, an attacker may be able to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.
- Vendors
- insydesiemens
- Products
- insydeh2o, 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 ipc627e firmware, simatic ipc647e firmware
- Weakness
- CWE-119
- Vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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