TI-2020-04400 Aliases CVE-2020-5348 GHSA-4m8x-97cg-mq8w

Use after free in Dell CPG BIOS

LOW 34CWE-416Published 2020-04-03 · Updated 2024-09-17

Key facts

Attack vector: Local
Privileges required: Low
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 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode. A local unauthenticated attacker may exploit this vulnerability by overwriting the EFI_BOOT_SERVICES structure to execute arbitrary code in system management mode.

Why it matters now

EPSS 0.00379 32nd percentileScored 2026-11-07

Fix Fixed CPG BIOS (Dell): A28

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 A28	A28	Patch available	CNA

CPG BIOS VendorDell Affected before A28 Fixed in A28 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:dell:latitude_7202_firmware::::::::	before a28	Vulnerable	Dell
cpe:2.3:h:dell:latitude_7202:-:::::::*	not specified by NVD	Running on	Dell

cpe:2.3:o:dell:latitude_7202_firmware:*:*:*:*:*:*:*:* Versions before a28 Vulnerable ·Dell
cpe:2.3:h:dell:latitude_7202:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell

Remediation

Fix · CNA CPG BIOS (Dell) Fixed in A28

Timeline

2026-10-02 Threatist record created from CVE-2020-5348
2026-10-03 Alias added: GHSA-4m8x-97cg-mq8w

References

Advisory 1

https://www.dell.com/support/article/SLN320792

TI-2019-02736 Select Dell Client Commercial and Consumer platforms contain an Improper Access… CVSS 3.1MEDIUM 6.8
TI-2020-04379 Missing authentication in Dell Client Consumer and Commercial Platforms CVSS 3.1MEDIUM 6.1

Sources

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