CVE-2020-8336

MEDIUM
6.8
CVSS Score
Published: June 9, 2020 at 07:50 PM UTC
Updated: June 17, 2026 at 03:26 AM UTC
77 products affected across 1 vendorThinkPad X390 Yoga FirmwareThinkPad E490 FirmwareThinkPad E590 Firmware

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-e490s (same device)
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-e590 (same device)
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-l13-1st-gen (same device)
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-l1415-gen-1 (same device)
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-l490 (same device)
v < 2020-07-10
Affected range stops below 2020-07-10, so it looks safe — our inference, not a vendor statement
lenovo-thinkpad-l590 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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