CVE-2020-8335
Last modified
CVE-2020-8335 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.
Description
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad A285, BIOS versions up to r0xuj70w; A485, BIOS versions up to r0wuj65w; T495 BIOS versions up to r12uj55w; T495s/X395, BIOS versions up to r13uj47w, while the emergency-reset button is pressed which may allow for unauthorized access.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lenovo | Thinkpad A275 Firmware | < 2020-08-30 |
| Lenovo | Thinkpad A285 Firmware | < 2020-08-30 |
| Lenovo | Thinkpad A475 Firmware | < 2020-08-30 |
| Lenovo | Thinkpad A485 Firmware | < 2020-08-30 |
| Lenovo | Thinkpad T495 Drift Firmware | < 2020-08-30 |
| Lenovo | Thinkpad T495s Jazz Firmware | < 2020-08-30 |
| Lenovo | Thinkpad X1 Carbon \(20bx\) Firmware | < n14et54w |
| Lenovo | Thinkpad X395 Firmware | < 2020-08-30 |
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
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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