CVE-2020-5388

mediumpriority · track · 28EPSS 0.003 · 20 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (20th) EPSS

CVSS 4.4 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Dell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

cvss

Technical severity, 0–10. One row per scoring source.

6.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.4mediumAV:L/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.4 · impact 6.4

v3.16.9mediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.3 · impact 6

v3.16.9mediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.16.9mediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Hsecondary · security_alert@emc.comexploitability 0.3 · impact 6

v3.16.3mediumCVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (2)

Products and version ranges known to be affected.

Dell CPG BIOSunspecified → 1.31.0enisa_euvdEU
dell inspiron 15 7579 firmware< 1.31.0nvdUScpe:2.3:o:dell:inspiron_15_7579_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-11-10modified 2026-06-17

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+21039 more

references (5)

External citations — patches, advisories, analysis.

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