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TI-2023-04472 Aliases CVE-2023-4857GHSA-877w-cfhh-j9x8

Missing authentication in Lenovo SMM, SMM2, FPC

Priority LOW 39CWE-306Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0053 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LenovoSMM, SMM2, FPCvarious—No fix listedCNA
  • SMM, SMM2, FPC VendorLenovo Affected various Fixed in — No fix listed CNA

CPE names CISA-ADP · 2

CPEVersionsRoleVendor
cpe:2.3:a:lenovo:fan_power_controller:*:*:*:*:*:*:*:*——Lenovo
cpe:2.3:o:lenovo:system_management_module_firmware:1.24:*:*:*:*:*:*:*1.24—Lenovo
  • cpe:2.3:a:lenovo:fan_power_controller:*:*:*:*:*:*:*:* Versions — — ·Lenovo
  • cpe:2.3:o:lenovo:system_management_module_firmware:1.24:*:*:*:*:*:*:* Versions 1.24 — ·Lenovo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4857
  2. 2026-10-03 Alias added: GHSA-877w-cfhh-j9x8

References

Other 1

  • TI-2017-03639 Improper handling of exceptional conditions in Apache Struts KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-07516 Insecure Platform Key (PK) used in UEFI system firmware signature CVSS 3.1MEDIUM 6.4
  • TI-2017-13070 OpenSLP releases in the 1.0.2 and 1.1.0 code streams have a heap-related memory… CVSS 3.0CRITICAL 9.8
  • TI-2017-02875 OS command injection in Lenovo Service Framework application CVSS 3.0CRITICAL 9.8
  • TI-2013-01192 Untrusted search path vulnerability in Lenovo Thinkpad Bluetooth with Enhanced Data Rate… CVSS 2.0HIGH 9.3
  • TI-2026-53163 Hard-coded credentials in Lenovo Health Application CVSS 4.0CRITICAL 9.3
See all 534 →

Sources

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