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CVE Record

CVE-2020-35527: In SQLite 3.31.1, there is an out of bounds access problem through ALTER TABLE for views that have a nested...

In SQLite 3.31.1, there is an out of bounds access problem through ALTER TABLE for views that have a nested FROM clause.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

SQLite 3.31.1 can access memory out of bounds when ALTER TABLE processes views containing a nested FROM clause. The public record does not provide severity scoring, impact detail, or active exploitation evidence. Treat this as a dependency exposure issue, especially where SQLite handles untrusted SQL, database files, or migration workflows.

Executive priority

Set priority after confirming where SQLite 3.31.1 exists and whether untrusted users can affect database schema operations. Without exploit or severity evidence, this is not automatically critical, but embedded dependency reach can be broad.

Technical view

CVE-2020-35527 is a CWE-119 out-of-bounds access issue in SQLite 3.31.1 tied to ALTER TABLE handling of views with nested FROM clauses. The source bundle names SQLite 3.31.1 only. No CVSS vector, exploit details, or definitive fixed version is provided in the supplied sources.

Likely exposure

Exposure is most likely in applications or appliances embedding SQLite 3.31.1. Risk depends on whether an attacker can influence SQL DDL, database schemas, migration operations, or crafted SQLite databases processed by the application.

Exploitation context

The CVE is not listed in KEV, and the supplied sources do not state active exploitation. The bundle does not establish remote exploitability. Validation should focus on version presence and whether untrusted input can reach ALTER TABLE or schema-processing paths.

Researcher notes

Evidence is limited to the CVE description, affected version, CWE, and references. Do not assume affected versions beyond SQLite 3.31.1 or a fixed release without vendor confirmation. The SQLite source reference may be relevant, but its contents were not included in the source bundle.

Mitigation direction

  • Inventory applications and appliances embedding SQLite 3.31.1.
  • Check SQLite and vendor guidance for fixed versions or backports.
  • Prioritize upgrades where untrusted SQL or database files are processed.
  • Restrict DDL execution to trusted administrative workflows.
  • Review NetApp advisory if NetApp products are in scope.

Validation and detection

  • Confirm SQLite runtime and bundled library versions in deployed software.
  • Search SBOMs and dependency manifests for SQLite 3.31.1.
  • Identify workflows that execute ALTER TABLE or schema migrations.
  • Check whether users can upload or import SQLite database files.
  • Review crash telemetry for SQLite-related out-of-bounds symptoms.
Prepared
Confidence
medium
Sources
4

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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cwe · low confidence lookup

CWE-119: Exact CWE lookup

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cve · low confidence lookup

CVE-2020-35527 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
3Source 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
n/asqlitesqlite 3.31.1Listed
Weakness

CWE details

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

CWE-119 · source CWE mapping

Improper Restriction of Operations within the Bounds of a Memory Buffer

Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.