Latitude 5420 Firmware
CVE-2019-3717
MEDIUM
Severity by source
AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
Select Dell Client Commercial and Consumer platforms contain an Improper Access Vulnerability. An unauthenticated attacker with physical access to the system could potentially bypass intended Secure Boot restrictions to run unsigned and untrusted code on expansion cards installed in the system during platform boot. Refer to https://www.dell.com/support/article/us/en/04/sln317683/dsa-2019-043-dell-client-improper-access-control-vulnerability?lang=en for versions affected by this vulnerability.
AnalysisAI
Select Dell Client Commercial and Consumer platforms contain an Improper Access Vulnerability. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
Select Dell Client Commercial and Consumer platforms contain an Improper Access Vulnerability. An unauthenticated attacker with physical access to the system could potentially bypass intended Secure Boot restrictions to run unsigned and untrusted code on expansion cards installed in the system during platform boot. Refer to https://www.dell.com/support/article/us/en/04/sln317683/dsa-2019-043-dell-client-improper-access-control-vulnerability?lang=en for versions affected by this vulnerability. Affected products include: Dell Chengming 3967 Firmware, Dell Chengming 3977 Firmware, Dell Chengming 3980 Firmware, Dell G3 3579 Firmware, Dell G3 3779 Firmware.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in Latitude 5420 Firmware
View allDell Client Platform BIOS contains a Weak Authentication vulnerability. Rated high severity (CVSS 8.2), this vulnerabili
Dell BIOS versions contain an Insecure Automated Optimization vulnerability. Rated high severity (CVSS 7.8), this vulner
Dell BIOS versions contain a stack-based buffer overflow vulnerability. Rated high severity (CVSS 7.8), this vulnerabili
Dell BIOS versions contain an Improper Authentication vulnerability. Rated high severity (CVSS 7.8), this vulnerability
Dell BIOSConnect feature contains a buffer overflow vulnerability. Rated high severity (CVSS 7.5). No vendor patch avail
Dell BIOSConnect feature contains a buffer overflow vulnerability. Rated high severity (CVSS 7.5). No vendor patch avail
Dell BIOSConnect feature contains a buffer overflow vulnerability. Rated high severity (CVSS 7.5). No vendor patch avail
Dell BIOS contains a race condition vulnerability. Rated high severity (CVSS 7.0). No vendor patch available.
Dell Client Platform BIOS contains a Stack-based Buffer Overflow Vulnerability. Rated medium severity (CVSS 6.9), this v
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is l
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is l
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is l
Same technique Authentication Bypass
View allShare
External POC / Exploit Code
Leaving vuln.today