CVE-2022-31220

mediumpriority · track · 20EPSS 0.002 · 5 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.16% (5th) EPSS

CVSS 5.1 · medium

Is it mine?

26 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Dell BIOS versions contain an Unchecked Return Value vulnerability. A local authenticated administrator user could potentially exploit this vulnerability in order to change the state of the system or cause unexpected failures.

cvss

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

5.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3–5.1

v3.15.1mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 4.2

v3.13lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:Lsecondary · ENISA EU

v3.13lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:Lsecondary · security_alert@emc.comexploitability 0.5 · impact 2.5

v3.14.7mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-252USprimaryCWE-1038US

affected products (26)

Products and version ranges known to be affected.

Dell CPG BIOSunspecified → 21Q4 platformsenisa_euvdEU
dell chengming 3900 firmware< 1.1.66nvdUScpe:2.3:o:dell:chengming_3900_firmware:*:*:*:*:*:*:*:*
dell inspiron 14 plus 7420 firmware< 1.2.0nvdUScpe:2.3:o:dell:inspiron_14_plus_7420_firmware:*:*:*:*:*:*:*:*
dell inspiron 16 plus 7620 firmware< 1.2.0nvdUScpe:2.3:o:dell:inspiron_16_plus_7620_firmware:*:*:*:*:*:*:*:*
dell inspiron 3910 firmware< 1.1.66nvdUScpe:2.3:o:dell:inspiron_3910_firmware:*:*:*:*:*:*:*:*
dell inspiron 5320 firmware< 1.1.0nvdUScpe:2.3:o:dell:inspiron_5320_firmware:*:*:*:*:*:*:*:*
dell inspiron 5420 firmware< 1.4.1nvdUScpe:2.3:o:dell:inspiron_5420_firmware:*:*:*:*:*:*:*:*
dell inspiron 5620 firmware< 1.4.1nvdUScpe:2.3:o:dell:inspiron_5620_firmware:*:*:*:*:*:*:*:*
dell inspiron 7420 firmware< 1.3.0nvdUScpe:2.3:o:dell:inspiron_7420_firmware:*:*:*:*:*:*:*:*
dell inspiron 7620 firmware< 1.3.0nvdUScpe:2.3:o:dell:inspiron_7620_firmware:*:*:*:*:*:*:*:*
dell optiplex 3000 firmware< 1.1.66nvdUScpe:2.3:o:dell:optiplex_3000_firmware:*:*:*:*:*:*:*:*
dell optiplex 3000 thin client firmware< 1.0.7nvdUScpe:2.3:o:dell:optiplex_3000_thin_client_firmware:*:*:*:*:*:*:*:*
dell optiplex 5000 firmware< 1.3.62nvdUScpe:2.3:o:dell:optiplex_5000_firmware:*:*:*:*:*:*:*:*
dell optiplex 5400 firmware< 1.0.13nvdUScpe:2.3:o:dell:optiplex_5400_firmware:*:*:*:*:*:*:*:*
dell optiplex 7000 firmware< 1.3.62nvdUScpe:2.3:o:dell:optiplex_7000_firmware:*:*:*:*:*:*:*:*
dell optiplex 7000 oem firmware< 1.3.62nvdUScpe:2.3:o:dell:optiplex_7000_oem_firmware:*:*:*:*:*:*:*:*
dell optiplex 7400 firmware< 1.0.13nvdUScpe:2.3:o:dell:optiplex_7400_firmware:*:*:*:*:*:*:*:*
dell precision 3460 small form factor firmware< 1.3.62nvdUScpe:2.3:o:dell:precision_3460_small_form_factor_firmware:*:*:*:*:*:*:*:*
dell precision 3660 tower firmware< 1.3.71nvdUScpe:2.3:o:dell:precision_3660_tower_firmware:*:*:*:*:*:*:*:*
dell precision 5770 firmware< 1.6.0nvdUScpe:2.3:o:dell:precision_5770_firmware:*:*:*:*:*:*:*:*

showing 20 of 26

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 2022-09-12modified 2026-06-17

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+326 more

references (5)

External citations — patches, advisories, analysis.

scry

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