Medium severity · published Oct 14, 2020
CVE-2020-8332
A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution
6.4
CVSS
0.2%
EPSS
No
On KEV
Description
A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SX
System x · Lenovo
various · source: vendor
BH
Bladecenter Hs23 Firmware · Lenovo
before tke170b · source: NVD
BH
Bladecenter Hs23e Firmware · Lenovo
before ahe172b · source: NVD
CN
Compute Node-x440 Firmware · Lenovo
before cge128a · source: NVD
FS
Flex System X220 Firmware · Lenovo
before kse170b · source: NVD
FS
Flex System X240 Firmware · Lenovo
before b2e172b · source: NVD
FS
Flex System X440 Firmware · Lenovo
before cne172b · source: NVD
ID
Idataplex Dx360 M4 Firmware · Lenovo
before tde168b · source: NVD
ID
Idataplex Dx360 M4 Water Cooled Firmware · Lenovo
before tde168b · source: NVD
NN
Nextscale Nx360 M4 Firmware · Lenovo
before fhe132b · source: NVD
SX
System X3300 M4 Firmware · Lenovo
before yae166b · source: NVD
SX
System X3500 M4 Firmware · Lenovo
before y5e170b · source: NVD