CVE-2020-5348 — Use After Free in Dell CPG Bios

CWE-416 — Use After Free3 documents3 sources
Severity
7.8HIGHNVD
CNA6.8
EPSS
0.1%
top 69.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Dell CPG BiosDell Latitude 7202 Firmware
Timeline
PublishedApr 4
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5dell/cpg_biosunspecified — A28

🔴Vulnerability Details

2
GHSA
GHSA-4m8x-97cg-mq8w: Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode↗2022-05-24
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CVEList
CVE-2020-5348: Dell Latitude 7202 Rugged Tablet BIOS versions prior to A28 contain a UAF vulnerability in EFI_BOOT_SERVICES in system management mode↗2020-04-03
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CVE-2020-5348 — Use After Free in Dell CPG Bios | cvebase