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TI-2017-02886 Aliases CVE-2017-3775GHSA-m3r2-464w-g5x4

Improper authentication in Lenovo Some Lenovo Flex System and Lenovo System x products

Priority LOW 28CWE-287Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

EPSS 0.00266 18th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
LenovoSome Lenovo Flex System and Lenovo System x productsAffected BIOS version varies by product—No fix listedCNA
  • Some Lenovo Flex System and Lenovo System x products VendorLenovo Affected Affected BIOS version varies by product Fixed in — No fix listed CNA

CPE configurations NVD · 22

CPEVersionsRoleVendor
cpe:2.3:o:lenovo:flex_system_x240_m5_bios:*:*:*:*:*:*:*:*before 2.61VulnerableLenovo
cpe:2.3:h:lenovo:flex_system_x240_m5:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:flex_system_x280_x6_bios:*:*:*:*:*:*:*:*before 4.21VulnerableLenovo
cpe:2.3:h:lenovo:flex_system_x280_x6:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:flex_system_x480_x6_bios:*:*:*:*:*:*:*:*before 4.21VulnerableLenovo
cpe:2.3:h:lenovo:flex_system_x480_x6:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:flex_system_x880_bios:*:*:*:*:*:*:*:*before 4.21VulnerableLenovo
cpe:2.3:h:lenovo:flex_system_x880:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:nextscale_nx360_m5_bios:*:*:*:*:*:*:*:*before 2.61VulnerableLenovo
cpe:2.3:h:lenovo:nextscale_nx360_m5:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
  • cpe:2.3:o:lenovo:flex_system_x240_m5_bios:*:*:*:*:*:*:*:* Versions before 2.61 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:flex_system_x240_m5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:flex_system_x280_x6_bios:*:*:*:*:*:*:*:* Versions before 4.21 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:flex_system_x280_x6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:flex_system_x480_x6_bios:*:*:*:*:*:*:*:* Versions before 4.21 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:flex_system_x480_x6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:flex_system_x880_bios:*:*:*:*:*:*:*:* Versions before 4.21 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:flex_system_x880:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:nextscale_nx360_m5_bios:*:*:*:*:*:*:*:* Versions before 2.61 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:nextscale_nx360_m5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
Show 12 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:lenovo:system_x3250_m6_bios:*:*:*:*:*:*:*:*before 2.23VulnerableLenovo
cpe:2.3:h:lenovo:system_x3250_m6:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:system_x3500_m5_bios:*:*:*:*:*:*:*:*before 2.61VulnerableLenovo
cpe:2.3:h:lenovo:system_x3500_m5:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:system_x3550_m5_bios:*:*:*:*:*:*:*:*before 2.61VulnerableLenovo
cpe:2.3:h:lenovo:system_x3550_m5:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:system_x3650_m5_bios:*:*:*:*:*:*:*:*before 2.61VulnerableLenovo
cpe:2.3:h:lenovo:system_x3650_m5:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:system_x3850_x6_bios:*:*:*:*:*:*:*:*before 4.3VulnerableLenovo
cpe:2.3:h:lenovo:system_x3850_x6:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
cpe:2.3:o:lenovo:system_x3950_x6_bios:*:*:*:*:*:*:*:*before 4.3VulnerableLenovo
cpe:2.3:h:lenovo:system_x3950_x6:-:*:*:*:*:*:*:*not specified by NVDRunning onLenovo
  • cpe:2.3:o:lenovo:system_x3250_m6_bios:*:*:*:*:*:*:*:* Versions before 2.23 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:system_x3250_m6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:system_x3500_m5_bios:*:*:*:*:*:*:*:* Versions before 2.61 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:system_x3500_m5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:system_x3550_m5_bios:*:*:*:*:*:*:*:* Versions before 2.61 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:system_x3550_m5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:system_x3650_m5_bios:*:*:*:*:*:*:*:* Versions before 2.61 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:system_x3650_m5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:system_x3850_x6_bios:*:*:*:*:*:*:*:* Versions before 4.3 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:system_x3850_x6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo
  • cpe:2.3:o:lenovo:system_x3950_x6_bios:*:*:*:*:*:*:*:* Versions before 4.3 Vulnerable ·Lenovo
  • cpe:2.3:h:lenovo:system_x3950_x6:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Lenovo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-3775
  2. 2026-10-03 Alias added: GHSA-m3r2-464w-g5x4

References

Patch 1

  • TI-2016-06779 The BIOS in Lenovo System X M5, M6, and X6 systems allows administrators to cause a… CVSS 3.0MEDIUM 4.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences