SupportAssist Client version 3.8 and 3.9 contains an Untrusted search path vulnerability that allows attackers to load an arbitrary .dll fi…

published 2021-09-28 5y ago modified 2026-06-17 4mo ago also EUVD-2021-22917

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

SupportAssist Client version 3.8 and 3.9 contains an Untrusted search path vulnerability that allows attackers to load an arbitrary .dll file via .dll planting/hijacking, only by a separate administrative action that is not a default part of the SOSInstallerTool.exe installation for executing arbitrary dll's,

Patch / fix

fixed in 1

dell supportassist_for_home_pcs 3.9.0

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Exploit prediction

0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	4.4	AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

Dell SupportAssist Client Consumer

Classification

Weakness

CWE-426 Untrusted Search Path

References

dell.com /support/kbdoc/en-us/000191057/dsa-2021-163-dell-supportassist-client-consumer-security-update-for-two-vulnera
vendor-advisory

Sources

CVE List CVE-2021-36297
NVD CVE-2021-36297

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