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CVE Record

CVE-2020-3638: u'An Unaligned address or size can propagate to the database due to improper page permissions and can lead...

u'An Unaligned address or size can propagate to the database due to improper page permissions and can lead to improper access control' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking in Agatti, Bitra, Kamorta, QCA6390, QCS404, QCS610, Rennell, SA515M, SC7180, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2020-3638 affects multiple Qualcomm Snapdragon platforms. The issue involves improper page permissions that can allow unaligned address or size data to reach a database, potentially causing improper access control. Public source data does not provide CVSS, CWE, exploit details, or fixed firmware versions.

Executive priority

Prioritize asset identification first. Business urgency is unclear because public severity and exploit evidence are missing, but affected Snapdragon platforms can appear in mobile, IoT, automotive, and networking estates.

Technical view

The CVE describes an improper access-control condition caused by unaligned address or size values propagating to a database because of improper page permissions. Affected platforms include Snapdragon Auto, Compute, Connectivity, Consumer IoT, Industrial IoT, Mobile, and Wired Infrastructure and Networking across listed chipsets.

Likely exposure

Exposure depends on whether an organization operates devices, modules, vehicles, mobile endpoints, IoT systems, or networking equipment built on the listed Qualcomm Snapdragon chipsets. The source bundle does not identify affected OEM products or firmware versions.

Exploitation context

The source bundle does not show CISA KEV listing, active exploitation, public exploit availability, or exploitation prerequisites. Treat exploitability as unconfirmed from the supplied evidence.

Researcher notes

Key missing data includes CVSS, CWE, affected firmware ranges, exploit prerequisites, and fixed build identifiers. Use Qualcomm and OEM advisories as authoritative sources before asserting reachability or remediation completeness.

Mitigation direction

  • Review Qualcomm's October 2020 bulletin and relevant OEM advisories for firmware guidance.
  • Inventory assets using the listed Snapdragon chipsets and platform families.
  • Prioritize vendor firmware updates where affected devices are business-critical or externally exposed.
  • For unsupported assets, apply compensating controls based on device role and exposure.
  • Track OEM replacement or end-of-support decisions for unpatchable affected devices.

Validation and detection

  • Map device models to the Snapdragon chipset identifiers listed in the CVE record.
  • Confirm installed firmware builds against Qualcomm and OEM bulletin guidance.
  • Check vulnerability management tooling for CVE-2020-3638 asset matches.
  • Record devices with unknown chipsets as investigation gaps, not confirmed exposure.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-3638 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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 Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and NetworkingAgatti, Bitra, Kamorta, QCA6390, QCS404, QCS610, Rennell, SA515M, SC7180, SC8180X, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130Listed
Weakness

CWE details

No CWE listed

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