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CVE Record

CVE-2019-14100: Register write via debugfs is disabled by default to prevent register writing via debugfs.

Register write via debugfs is disabled by default to prevent register writing via debugfs. in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in MDM9206, MDM9207C, MDM9607, Nicobar, QCS405, SA6155P, SC8180X, SDX55, SM8150

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE concerns Qualcomm Snapdragon-based products where register writing through debugfs needed to be disabled by default. Business risk is hard to quantify because the source bundle provides no CVSS, CWE, or exploit detail. Exposure is most relevant to products using the listed Qualcomm chipsets and firmware derived from affected Qualcomm releases.

Executive priority

Treat this as an inventory and vendor-follow-up item unless affected devices are safety-critical, internet-managed, or run untrusted local code. Prioritize automotive, industrial IoT, and managed mobile fleets because firmware updates may depend on OEM delivery.

Technical view

The issue is described as register write access via debugfs in multiple Snapdragon product lines and chipsets. The bundle indicates the intended control is disabling register writes via debugfs by default. No CVSS vector, CWE mapping, privilege requirement, or detailed vulnerable component path is provided.

Likely exposure

Likely exposure is embedded, mobile, IoT, automotive, compute, voice, and modem products using the listed Qualcomm Snapdragon chipsets. Actual exposure depends on OEM firmware, whether debugfs is present or accessible, and whether Qualcomm’s July 2020 bulletin changes were integrated.

Exploitation context

The source bundle does not cite active exploitation, and KEV status is false. The available description points to debugfs-mediated register writing, but does not prove remote reachability, public exploit availability, or required attacker privileges.

Researcher notes

Evidence is sparse: no CVSS, CWE, exploit status, or detailed attack prerequisites are provided. Research should focus on mapping OEM firmware to the Qualcomm bulletin and confirming whether debugfs register-write behavior is disabled in production builds.

Mitigation direction

  • Review Qualcomm’s July 2020 bulletin and relevant OEM firmware advisories.
  • Apply OEM firmware updates incorporating the Qualcomm bulletin, where available.
  • Confirm production firmware disables debugfs register writes by default.
  • Restrict or remove debugfs access on production systems.
  • Track assets using the listed Qualcomm chipsets.

Validation and detection

  • Inventory devices and modules using the affected Snapdragon chipsets.
  • Confirm firmware lineage against Qualcomm and OEM July 2020 guidance.
  • Verify production builds do not expose writable debugfs register interfaces.
  • Check vendor release notes for explicit CVE-2019-14100 coverage.
  • Record unsupported devices for replacement or compensating controls.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2019-14100 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Qualcomm, Inc.Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & MusicMDM9206, MDM9207C, MDM9607, Nicobar, QCS405, SA6155P, SC8180X, SDX55, SM8150Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.