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CVE-2020-8341

—
CVSS 3.1
2.4 low
EPSS
<1%p28
Published
()
Modified
Description

In Lenovo systems, SMM BIOS Write Protection is used to prevent writes to SPI Flash. While this provides sufficient protection, an additional layer of protection is provided by SPI Protected Range Registers (PRx). After resuming from S3 sleep mode in various versions of BIOS for some Lenovo ThinkPad systems, the PRx is not set. This does not impact the SMM BIOS Write Protection, which keeps systems protected.

Vendors
lenovo
Products
thinkpad t490 \(20nx\) firmware, thinkpad t490 \(20qx\) firmware, thinkpad t490 \(20rx\) firmware, thinkpad t490s \(20nx\) firmware, thinkpad t495 drift firmware, thinkpad t590 \(20nx\) firmware, thinkpad x1 carbon \(20qx\) firmware, thinkpad x1 yoga \(20qx\) firmware, thinkpad x390 \(20qx\) firmware, thinkpad x390 \(20sx\) firmware
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

No ingested article mentions this CVE yet.