Vulnerability Details : 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. Servers operating in UEFI mode are not affected.
Products affected by CVE-2020-8332
- cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3750_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:bladecenter_hs23_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:bladecenter_hs23e_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:compute_node-x440_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:flex_system_x220_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:flex_system_x240_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:flex_system_x440_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:nextscale_nx360_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3300_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3500_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3530_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3550_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3630_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3650_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3650_m4_bd_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3650_m4_hd_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:idataplex_dx360_m4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:idataplex_dx360_m4_water_cooled_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8332
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8332
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.5
|
5.9
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.5
|
5.9
|
Lenovo Group Ltd. |
CWE ids for CVE-2020-8332
-
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.Assigned by:
- nvd@nist.gov (Primary)
- psirt@lenovo.com (Secondary)
References for CVE-2020-8332
-
https://support.lenovo.com/us/en/product_security/LEN-38625
System Management Mode (SMM) BIOS Vulnerability in some legacy System x servers - Lenovo Support USVendor Advisory
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