CVE-2020-8320
MEDIUMCVSS 6.8/10EPSS 0.27%
Last modified
CVE-2020-8320 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lenovo | Thinkpad 11e Yoga Gen 6 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad 11e Firmware | < 2020-07-10 |
| Lenovo | Thinkpad Yoga 11e 3rd Gen Firmware | < 2020-07-10 |
| Lenovo | Thinkpad Yoga 11e 4th Gen Firmware | < 2020-07-10 |
| Lenovo | Thinkpad Yoga 11e 5th Gen Firmware | < 2020-07-10 |
| Lenovo | Thinkpad 13 2nd Gen Firmware | < 2020-07-10 |
| Lenovo | Thinkpad 13 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad A275 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad A285 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad A475 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad A485 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E14 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E15 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad R14 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad S3 Gen 2 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E455 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E555 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E460 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E560 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E465 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E565 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E470 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E570 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E475 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E575 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E480 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E580 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E485 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E585 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E490s Firmware | < 2020-07-10 |
| Lenovo | Thinkpad S3 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E490 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad E590 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad R490 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad R590 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L13 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L1415 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L380 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad S3 3rd Gen Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L380 Yoga Firmware | < 2020-07-10 |
| Lenovo | Thinkpad S2 Yoga 3rd Gen Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L390 Yoga Firmware | < 2020-07-10 |
| Lenovo | Thinkpad S2 Yoga 4th Gen Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L460 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L470 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L480 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L580 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L490 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L590 Firmware | < 2020-07-10 |
| Lenovo | Thinkpad L560 Firmware | < 2020-07-03 |
Showing 50 of 100 affected configurations. See NVD for the full list.
References
- https://support.lenovo.com/us/en/product_security/LEN-30042Vendor Advisory
- https://support.lenovo.com/us/en/product_security/LEN-30042Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8320?
An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.
How severe is CVE-2020-8320?
CVE-2020-8320 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8320?
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-2020-8320?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST