Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations contain an Arbitrary File Overwrite vulnerabil…

published 2020-05-28 6y ago modified 2026-06-17 4mo ago also EUVD-2020-26539

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 18%
public exploits: 0; none known

Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations contain an Arbitrary File Overwrite vulnerability. The vulnerability is limited to the Dell Dock Firmware Update Utilities 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 1

Dell CPG BIOS 1.0.8

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Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-09).

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	6.0	CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H
NVD	2.0	2.6	AV:L/AC:H/Au:N/C:N/I:P/A:P

Affected products

Dell CPG BIOS

Classification

Weakness

CWE-427 Uncontrolled Search Path Element

References

dell.com /support/article/SLN321564
vendor-advisory

Sources

CVE List CVE-2020-5357
NVD CVE-2020-5357

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