CVE-2021-21518

highpriority · track · 31EPSS 0.004 · 29 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (29th) EPSS

CVSS 7.2 · high

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Dell SupportAssist Client for Consumer PCs versions 3.7.x, 3.6.x, 3.4.x, 3.3.x, Dell SupportAssist Client for Business PCs versions 2.0.x, 2.1.x, 2.2.x, and Dell SupportAssist Client ProManage 1.x contain a DLL injection vulnerability in the Costura Fody plugin. A local user with low privileges could potentially exploit this vulnerability, leading to the execution of arbitrary executable on the operating system with SYSTEM privileges.

cvss

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

7.8

010

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

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · security_alert@emc.comexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-427USprimary

affected products (9)

Products and version ranges known to be affected.

Dell Dell SupportAssist Clientunspecified → SACH 3.8, SACB 2.3enisa_euvdEU
dell supportassist client promanage= 1.0nvdUScpe:2.3:a:dell:supportassist_client_promanage:*:*:*:*:*:*:*:*
dell supportassist for business pcs= 2.0.0nvdUScpe:2.3:a:dell:supportassist_for_business_pcs:*:*:*:*:*:*:*:*
dell supportassist for business pcs= 2.1.0nvdUScpe:2.3:a:dell:supportassist_for_business_pcs:*:*:*:*:*:*:*:*
dell supportassist for business pcs= 2.2.0nvdUScpe:2.3:a:dell:supportassist_for_business_pcs:*:*:*:*:*:*:*:*
dell supportassist for home pcs= 3.3.3nvdUScpe:2.3:a:dell:supportassist_for_home_pcs:*:*:*:*:*:*:*:*
dell supportassist for home pcs= 3.4.0nvdUScpe:2.3:a:dell:supportassist_for_home_pcs:*:*:*:*:*:*:*:*
dell supportassist for home pcs= 3.6.0nvdUScpe:2.3:a:dell:supportassist_for_home_pcs:*:*:*:*:*:*:*:*
dell supportassist for home pcs= 3.7.0nvdUScpe:2.3:a:dell:supportassist_for_home_pcs:*:*:*:*:*:*:*:*

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 2021-03-12modified 2026-06-17

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+1382 more

references (4)

External citations — patches, advisories, analysis.

scry

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