How severe is CVE-2020-5357?

CVE-2020-5357 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2020-5357 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5357?

CVE-2020-5357 primarily affects Dell Dock Wd15 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5357?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-5357 published?

CVE-2020-5357 was published on 2020-05-28 and last updated on 2026-06-17.

CVE-2020-5357

CVE-2020-5357 is a high-severity vulnerability in Dell Dock Wd15 Firmware with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-427.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 2.6
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-427
Affected product: Dell Dock Wd15 Firmware
Published: 2020-05-28
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-5357?: 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.
How severe is CVE-2020-5357?: CVE-2020-5357 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2020-5357 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5357?: CVE-2020-5357 primarily affects Dell Dock Wd15 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5357?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-5357 published?: CVE-2020-5357 was published on 2020-05-28 and last updated on 2026-06-17.

References

https://www.dell.com/support/article/SLN321564

Affected products (4)

cpe:2.3:o:dell:dock_wd15_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:dock_wd19_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:thunderbolt_dock_tb16_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc_firmware:*:*:*:*:*:*:*:*

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