CVE-2020-26186 — External Control of Critical State Data in Dell CPG Bios

CWE-642 — External Control of Critical State DataCWE-668 — Resource Exposure3 documents3 sources
Severity
6.8MEDIUMNVD
EPSS
0.0%
top 87.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Dell CPG BiosDell Inspiron 5675 Firmware
Timeline
PublishedJan 8
Latest updateMay 24

Description

Dell Inspiron 5675 BIOS versions prior to 1.4.1 contain a UEFI BIOS RuntimeServices overwrite vulnerability. A local attacker with access to system memory may exploit this vulnerability by overwriting the RuntimeServices structure to execute arbitrary code in System Management Mode (SMM).

CVSS vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 0.9 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5dell/cpg_biosunspecified — 1.4.1

🔴Vulnerability Details

2
GHSA
GHSA-9rmr-65mh-rj57: Dell Inspiron 5675 BIOS versions prior to 1↗2022-05-24
▶
CVEList
CVE-2020-26186: Dell Inspiron 5675 BIOS versions prior to 1↗2021-01-08
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CVE-2020-26186 — Dell CPG Bios vulnerability | cvebase