CVE-2021-33625

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 23.91%
Affected Products (NVD)
VendorProductVersion
insydeinsydeh2o
5.1 ≤
𝑥
< 5.16.23
insydeinsydeh2o
5.2 ≤
𝑥
< 5.26.23
insydeinsydeh2o
5.3 ≤
𝑥
< 5.35.23
insydeinsydeh2o
5.4 ≤
𝑥
< 5.43.22
insydeinsydeh2o
5.5 ≤
𝑥
< 5.51.22
netappfas/aff_bios
-
siemensruggedcom_ape1808_firmware
-
siemenssimatic_field_pg_m5_firmware
-
siemenssimatic_ipc127e_firmware
-
siemenssimatic_itp1000_firmware
-
siemenssimatic_ipc277g_firmware
-
siemenssimatic_ipc227g_firmware
-
siemenssimatic_ipc327g_firmware
-
siemenssimatic_ipc377g_firmware
-
siemenssimatic_ipc427e_firmware
-
siemenssimatic_ipc477e_firmware
-
siemenssimatic_ipc477e_pro_firmware
-
siemenssimatic_ipc627e_firmware
-
siemenssimatic_ipc647e_firmware
-
siemenssimatic_ipc677e_firmware
-
siemenssimatic_ipc847e_firmware
-
siemenssimatic_field_pg_m6_firmware
-
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
SiemensRUGGEDCOM APE1808 - BIOS
𝑥
< V1.0.202N
ADP
SiemensSIMATIC Field PG M5
𝑥
< V22.01.10
ADP
SiemensSIMATIC Field PG M6
𝑥
< V26.01.13
ADP
SiemensSIMATIC IPC127E
𝑥
< V27.01.09
ADP
SiemensSIMATIC IPC227G
𝑥
< V28.01.04
ADP
SiemensSIMATIC IPC277G
𝑥
< V28.01.04
ADP
SiemensSIMATIC IPC277G PRO
𝑥
< V28.01.04
ADP
SiemensSIMATIC IPC327G
𝑥
< V28.01.04
ADP
SiemensSIMATIC IPC377G
𝑥
< V28.01.04
ADP
SiemensSIMATIC IPC427E
𝑥
< V21.01.17
ADP
SiemensSIMATIC IPC477E
𝑥
< V21.01.17
ADP
SiemensSIMATIC IPC477E PRO
𝑥
< V21.01.17
ADP
SiemensSIMATIC IPC627E
𝑥
< V25.02.12
ADP
SiemensSIMATIC IPC647E
𝑥
< V25.02.12
ADP
SiemensSIMATIC IPC677E
𝑥
< V25.02.12
ADP
SiemensSIMATIC IPC847E
𝑥
< V25.02.12
ADP
SiemensSIMATIC ITP1000
𝑥
< V23.01.10
ADP
SiemensSIPLUS IPC427E
𝑥
< V21.01.17
ADP