CVE-2020-8332

Name: CVE-2020-8332
Creator: NVD / NIST
Published: 2020-10-14T22:15:13.403+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2020-8332 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. 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.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.4/10

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.22%

12.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Lenovo	Bladecenter Hs23 Firmware	< tke170b
Lenovo	Bladecenter Hs23e Firmware	< ahe172b
Lenovo	Compute Node-X440 Firmware	< cge128a
Lenovo	Flex System X220 Firmware	< kse170b
Lenovo	Flex System X240 Firmware	< b2e172b
Lenovo	Flex System X440 Firmware	< cne172b
Lenovo	Nextscale Nx360 M4 Firmware	< fhe132b
Lenovo	System X3300 M4 Firmware	< yae166b
Lenovo	System X3500 M4 Firmware	< y5e170b
Lenovo	System X3530 M4 Firmware	< bee174b
Lenovo	System X3550 M4 Firmware	< d7e174b
Lenovo	System X3630 M4 Firmware	< bee174b
Lenovo	System X3650 M4 Firmware	< vve172b
Lenovo	System X3650 M4 Bd Firmware	< vve172b
Lenovo	System X3650 M4 Hd Firmware	< vve172b
Lenovo	System X3750 M4 Firmware	< a5e130a
Lenovo	System X3750 M4 Firmware	< koe170b
Lenovo	Idataplex Dx360 M4 Firmware	< tde168b
Lenovo	Idataplex Dx360 M4 Water Cooled Firmware	< tde168b

References

https://support.lenovo.com/us/en/product_security/LEN-38625Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-38625Vendor Advisory

Timeline

Published: Oct 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8332?

How severe is CVE-2020-8332?

CVE-2020-8332 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8332?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8332?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST