TI-2023-04471 Aliases CVE-2023-4856 GHSA-3962-w3j2-98vq

OS command injection in Lenovo SMM, SMM2, FPC

MEDIUM 41CWE-78Published 2024-04-15 · Updated 2024-08-02

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

A format string vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute arbitrary commands on a specific API endpoint.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00665 52nd 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: No
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Lenovo	SMM, SMM2, FPC	various	—	No fix listed	CNA

SMM, SMM2, FPC VendorLenovo Affected various Fixed in — No fix listed CNA

CPE names CISA-ADP · 2

CPE	Versions	Role	Vendor
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

2026-10-02 Threatist record created from CVE-2023-4856
2026-10-03 Alias added: GHSA-3962-w3j2-98vq

References

Other 1

https://support.lenovo.com/us/en/product_security/LEN-140420

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