Dell Client Consumer and Commercial Platforms contain an Arbitrary File Overwrite Vulnerability.

published 2020-02-21 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26506

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

Dell Client Consumer and Commercial Platforms contain an Arbitrary File Overwrite Vulnerability. The vulnerability is limited to the Dell Firmware Update Utility during the time window while being executed by an administrator. During this time window, a locally authenticated low-privileged malicious user could exploit this vulnerability by tricking an administrator into overwriting arbitrary files via a symlink attack. The vulnerability does not affect the actual binary payload that the update utility delivers.

Patch / fix

fixed in 20

dell g3_3579_firmware 1.11.0
dell g3_3779_firmware 1.11.0
dell g3_15_3590_firmware 1.9.2
dell g5_15_5590_firmware 1.11.1
dell g5_5090_firmware 1.1.2
dell g5_5587_firmware 1.12.2
dell g7_15_7590_firmware 1.11.1
dell g7_17_7790_firmware 1.11.1
dell g7_7588_firmware 1.12.2
dell inspiron_14_5490_firmware 1.4.0
dell inspiron_3480_firmware 1.7.0
dell inspiron_3481_firmware 1.6.0
dell inspiron_3490_firmware 1.5.0
dell inspiron_3493_firmware 1.4.0
dell inspiron_3580_firmware 1.7.0
dell inspiron_3581_firmware 1.6.0
dell inspiron_3583_firmware 1.7.0
dell inspiron_3584_firmware 1.6.0
dell inspiron_3590_firmware 1.5.0
dell inspiron_3593_firmware 1.4.0

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
NVD	3.1	4.4	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N
NVD	2.0	2.6	AV:L/AC:H/Au:N/C:N/I:P/A:P

Affected products

Dell Dell Client Consumer and Commercial Platforms

Classification

Weakness

CWE-427 Uncontrolled Search Path Element
CWE-59 Improper Link Resolution Before File Access

References

dell.com /support/article/SLN320348
vendor-advisory

Sources

CVE List CVE-2020-5324
NVD CVE-2020-5324

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Summary