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CVE-2017-3775

UnknownEPSS 0.27%

Last modified

CVE-2017-3775 is a vulnerability of currently unknown severity. Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before booting it. As a result, an attacker with physical access to the system could boot unsigned code.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before booting it. As a result, an attacker with physical access to the system could boot unsigned code.

Metrics

EPSS Probability
0.27%

18.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LenovoFlex System X240 M5 Bios< 2.61
LenovoFlex System X280 X6 Bios< 4.21
LenovoFlex System X480 X6 Bios< 4.21
LenovoFlex System X880 Bios< 4.21
LenovoNextscale Nx360 M5 Bios< 2.61
LenovoSystem X3250 M6 Bios< 2.23
LenovoSystem X3500 M5 Bios< 2.61
LenovoSystem X3550 M5 Bios< 2.61
LenovoSystem X3650 M5 Bios< 2.61
LenovoSystem X3850 X6 Bios< 4.3
LenovoSystem X3950 X6 Bios< 4.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-3775?
Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before booting it. As a result, an attacker with physical access to the system could boot unsigned code.
How severe is CVE-2017-3775?
Severity scoring for CVE-2017-3775 is pending analysis. The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2017-3775?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-3775?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST