Uncontrolled search path in Dell CPG BIOS
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-427.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Dell | CPG BIOS | before 1.0.8 | 1.0.8 | Patch available | CNA |
- CPG BIOS VendorDell Affected before 1.0.8 Fixed in 1.0.8 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:dell:dock_wd15_firmware:*:*:*:*:*:*:*:* | before 1.0.8 | Vulnerable | Dell |
| cpe:2.3:h:dell:dock_wd15:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:o:dell:dock_wd19_firmware:*:*:*:*:*:*:*:* | before 1.0.14 | Vulnerable | Dell |
| cpe:2.3:h:dell:dock_wd19:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:o:dell:thunderbolt_dock_tb16_firmware:*:*:*:*:*:*:*:* | before 1.0.4 | Vulnerable | Dell |
| cpe:2.3:h:dell:thunderbolt_dock_tb16:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
| cpe:2.3:o:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc_firmware:*:*:*:*:*:*:*:* | before 1.0.10 | Vulnerable | Dell |
| cpe:2.3:h:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Dell |
- cpe:2.3:o:dell:dock_wd15_firmware:*:*:*:*:*:*:*:* Versions before 1.0.8 Vulnerable ·Dell
- cpe:2.3:h:dell:dock_wd15:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:o:dell:dock_wd19_firmware:*:*:*:*:*:*:*:* Versions before 1.0.14 Vulnerable ·Dell
- cpe:2.3:h:dell:dock_wd19:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:o:dell:thunderbolt_dock_tb16_firmware:*:*:*:*:*:*:*:* Versions before 1.0.4 Vulnerable ·Dell
- cpe:2.3:h:dell:thunderbolt_dock_tb16:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
- cpe:2.3:o:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc_firmware:*:*:*:*:*:*:*:* Versions before 1.0.10 Vulnerable ·Dell
- cpe:2.3:h:dell:precision_dual_usb-c_thunderbolt_dock_-_tb18dc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Dell
Remediation
- Fix · CNA CPG BIOS (Dell) Fixed in 1.0.8
Timeline
- 2026-10-02 Threatist record created from CVE-2020-5357
- 2026-10-03 Alias added: GHSA-mrqc-gmff-v726
References
Sources
- CVE-2020-5357 · CVE Program
- CVE-2020-5357 · NVD
- FIRST EPSS
- GHSA-mrqc-gmff-v726 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences