Security readout for executives and security teams
Plain-English summary
This Dell client-platform issue can let someone with physical access bypass intended Secure Boot protections during startup and run untrusted code on expansion cards. It is serious for laptops or desktops that can be physically reached, but the source bundle does not show internet-based exploitation or active attacks.
Executive priority
Treat this as a high-priority hardware hygiene issue for physically exposed Dell endpoints. It is not evidenced as remotely exploitable from the bundle, but it can undermine Secure Boot trust on affected devices and should be addressed through vendor guidance.
Technical view
CVE-2019-3717 is an improper access vulnerability in select Dell Client Commercial and Consumer platforms. An unauthenticated attacker with physical access may bypass Secure Boot restrictions and run unsigned, untrusted code on installed expansion cards during platform boot. CVSS 3.0 is 7.1 with physical attack vector and high complexity.
Likely exposure
Exposure is limited to select Dell commercial and consumer client systems listed in Dell advisory DSA-2019-043. Highest concern is unmanaged, shared, field, kiosk, or travel devices where attackers may gain physical access before or during boot.
Exploitation context
The bundle does not report CISA KEV listing or other evidence of active exploitation. Exploitation requires physical access, no privileges, no user interaction, and high attack complexity, reducing scale but raising concern for targeted device-access scenarios.
Researcher notes
The source bundle does not include the detailed affected-version table, CWE mapping, exploit proof, or remediation text. Analysis is therefore limited to the CVE description, CVSS vector, KEV false signal, and Dell advisory reference.
Mitigation direction
- Review Dell advisory DSA-2019-043 for affected models and official remediation.
- Apply only Dell-published BIOS, firmware, or platform updates when identified by the advisory.
- Restrict physical access to affected endpoints, especially during boot.
- Prioritize shared, travel, kiosk, lab, and field systems for review.
- Track remediation status in endpoint asset management records.
Validation and detection
- Inventory Dell commercial and consumer client platforms in the fleet.
- Compare each model and version against Dell advisory DSA-2019-043.
- Confirm whether vulnerable devices have official Dell remediation applied.
- Review physical access controls for systems that remain exposed.
- Document exceptions where affected-version evidence is unavailable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-3717 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:H0.56Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.1HighVector: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.dell.com/support/article/us/en/04/sln317683/dsa-2019-043-dell-client-improper-access-control-vulnerability?lang=enCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
