Unauthorized Code Execution Vulnerability in Lenovo System x Server BIOS/UEFI
CVE-2017-3775

6.4MEDIUM

Key Information:

Vendor

Lenovo
Status
Some Lenovo Flex System And Lenovo System X Products
Vendor
CVE Published:
4 May 2018

What is CVE-2017-3775?

Certain Lenovo System x server BIOS and UEFI versions have a security flaw where, under Secure Boot mode, the firmware does not adequately authenticate signed code prior to execution. This opens a door for attackers with physical access to the system, enabling them to boot potentially harmful unsigned code. Appropriate security measures should be taken to mitigate this vulnerability.

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Affected Version(s)

Some Lenovo Flex System and Lenovo System x products Affected BIOS version varies by product

References

https://support.lenovo.com/us/en/solutions/LEN-20241
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CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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