CVE-2020-5357
Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.1
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.
- Record
CVE-2020-5357- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-427
- Updated
- 2026-11-02
EUVDEUVD-2020-26539
7.1
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.
- Record
EUVD-2020-26539- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mrqc-gmff-v726 No score
Dell Dock Firmware Update Utilities for Dell Client Consumer and Commercial docking stations...
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.
- Record
GHSA-mrqc-gmff-v726- Updated
- 2026-11-02
NVD
7.1
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.
- Record
CVE-2020-5357- CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - CVSS 3.1
- 6.0 Medium
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H - CVSS 2.0
- 2.6 Low
AV:L/AC:H/Au:N/C:N/I:P/A:P - Weakness
- CWE-427
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5357 is a high vulnerability (CVSS 7.1) in Dell Cpg Bios, published May 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.