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Thinkpad T490 (20nx) Firmware

thinkpad_t490_(20nx)_firmware

Vendor: Lenovo • 2 CVEs

CVEs (2)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
CVE-2020-8341
1Lenovo
10Thinkpad T490 (20nx) Firmware
Thinkpad T490 (20qx) FirmwareThinkpad T490 (20rx) Firmware+7 more
Jun 17, 2026
Sep 1, 2020
N/A· v4
2.4 LOW· v3
2.1 LOW· v2
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...Show more
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.Show less
CVE-2020-8336
1Lenovo
38Thinkpad E14 Firmware
Thinkpad E15 FirmwareThinkpad E490 Firmware+35 more
Jun 17, 2026
Jun 9, 2020
N/A· v4
6.8 MEDIUM· v3
4.6 MEDIUM· v2
Lenovo implemented Intel CSME Anti-rollback ARB protections on some ThinkPad models to prevent roll back of CSME Firmware in flash.