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CVE-2019-6156

Published: Apr 10, 2019Updated: Nov 21, 2024 Sources: CVE List NVDCWE-667
NVD MITRE
3.3CVSSLOW
EPSS Score
0.2%
Top 85.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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). Lenovo was notified that after resuming from S3 sleep mode in various versions of BIOS for Lenovo systems, the PRx is not set. This does not impact the SMM BIOS Write Protection, which keeps systems protected.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-667

Affected Products

510-15ikl firmwarelenovoHardware Firmware
510s-08ikl firmwarelenovoHardware Firmware
ideacentre 300-20ish firmwarelenovoHardware Firmware
ideacentre 300s-11ish firmwarelenovoHardware Firmware
ideacentre 510-15icb firmwarelenovoHardware Firmware
lenovocommercialCNHardware Firmwareaka lenovo group
and 173 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://support.lenovo.com/solutions/LEN-26332
support.lenovo.com

Timeline

Published
Apr 10, 2019
Last Updated
Nov 21, 2024

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