TI-2020-04426 Aliases CVE-2020-5376 GHSA-c55q-m48j-xjc6

Use after free in Dell CPG BIOS

LOW 30CWE-416Published 2020-09-02 · Updated 2024-09-16

Key facts

Attack vector: Physical
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Dell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in System Management Mode (SMM).

Why it matters now

EPSS 0.0039 33rd percentileScored 2026-11-07

Fix Fixed CPG BIOS (Dell): A13

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Dell	CPG BIOS	before A13	A13	Patch available	CNA

CPG BIOS VendorDell Affected before A13 Fixed in A13 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:dell:inspiron_7347_bios::::::::	before a13	Vulnerable	Dell
cpe:2.3:h:dell:inspiron_7347:-:::::::*	not specified by NVD	Running on	Dell

cpe:2.3:o:dell:inspiron_7347_bios:*:*:*:*:*:*:*:* Versions before a13 Vulnerable ·Dell
cpe:2.3:h:dell:inspiron_7347:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell

Remediation

Fix · CNA CPG BIOS (Dell) Fixed in A13

Timeline

2026-10-02 Threatist record created from CVE-2020-5376
2026-10-03 Alias added: GHSA-c55q-m48j-xjc6

References

Advisory 1

https://www.dell.com/support/article/SLN322616

Sources

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