CVE-2020-8332
MEDIUMCVSS 6.4/10EPSS 0.22%
Last modified
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/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
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
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-8332?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST