Home/CVE/Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmwar
CVE

CVE-2020-8336

Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmwar

Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.

MEDIUM · CVSS 6.4 EPSS 0.00052
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
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Affected Products & Versions

38
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 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
▣

Scoring & Timeline

6.4
MEDIUM · CVSS v3.1 · psirt@lenovo.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Jun 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.lenovo.com/us/en/product_security/LEN-30042Vendor Advisory
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