CVE-2020-8333
HIGHCVSS 7.8/10EPSS 0.33%
Last modified
CVE-2020-8333 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lenovo | 63 Firmware | < fckt98a |
| Lenovo | H50-30g Firmware | < fckt98a |
| Lenovo | M4500 Firmware | < fckt98a |
| Lenovo | M4550 Firmware | < fckt98a |
| Lenovo | Qitian 4500 Firmware | < fckt98a |
| Lenovo | Qitian B4550 Firmware | < fckt98a |
| Lenovo | Qitian M4550 Firmware | < fckt98a |
| Lenovo | Thinkcentre E73 Firmware | < fckt98a |
| Lenovo | Thinkcentre E73s Firmware | < fckt98a |
| Lenovo | Thinkcentre E93 Firmware | < fbktdea |
| Lenovo | Thinkcentre M4500k Firmware | < fckt98a |
| Lenovo | Thinkcentre M4500q Firmware | < fhkt85a |
| Lenovo | Thinkcentre M4500t Firmware | < fckt98a |
| Lenovo | Thinkcentre M4500s Firmware | < fckt98a |
| Lenovo | Yangtian Afh81 Firmware | < fckt98a |
| Lenovo | Yangtian Mc H81 Firmware | < fckt98a |
| Lenovo | Yangtian Mf H81 Pci Firmware | < fckt98a |
| Lenovo | Yangtian Wf H81 Pci Firmware | < fckt98a |
| Lenovo | Yangtian Tc H81 Pci Firmware | < fckt98a |
| Lenovo | Yangtian Wcc H81 Pci Firmware | < fckt98a |
| Lenovo | Thinkcentre M9350z Firmware | < fekta2a |
| Lenovo | Thinkcentre M93z Firmware | < fekta2a |
| Lenovo | Thinkstation C30 Firmware | < a3kt70a |
| Lenovo | Thinkstation D30 Firmware | < a3kt70a |
| Lenovo | Thinkstation E32 Firmware | < fbktdea |
| Lenovo | Thinkstation P300 Firmware | < a2kt70a |
| Lenovo | Thinkstation S30 Firmware | < a2kt70a |
References
- https://support.lenovo.com/us/en/product_security/LEN-30042Patch, Vendor Advisory
- https://support.lenovo.com/us/en/product_security/LEN-30042Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8333?
A potential vulnerability in the SMI callback function used in the EEPROM driver in some Lenovo Desktops and ThinkStation models may allow arbitrary code execution
How severe is CVE-2020-8333?
CVE-2020-8333 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8333?
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.
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Are you affected by CVE-2020-8333?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST