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CWE Reference

CWE-1423: Exposure of Sensitive Information caused by… | Glexia

CWE-1423 (Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution) weakness overview with…

Release 4.20weaknessIncomplete

Glexia's Take · Automated analysis

CWE-1423: Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution

Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Executive Impact

  • Confidentiality: Read Memory

Developer Pattern

CWE-1423 is the kind of defect developers can usually prevent with explicit validation, safer framework defaults, and tests that exercise hostile input or unsafe state transitions.

Automation confidence

high confidence from CWE-1423, 4.20.

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

Official CWE Definition

CWE-1423: Exposure of Sensitive Information caused by Shared Microarchitectural Predictor State that Influences Transient Execution

Shared microarchitectural predictor state may allow code to influence transient execution across a hardware boundary, potentially exposing data that is accessible beyond the boundary over a covert channel.

Type
weakness
Abstraction
Base
Status
Incomplete
Source
MITRE CWE definition

Developer And Remediation Guidance

How teams prevent and detect this weakness

Causes

  • Missing validation
  • Unsafe defaults
  • Insufficient authorization or memory-safety invariant

Remediation

  • Architecture and Design:
  • Implementation:
  • Build and Compilation:
  • System Configuration:
  • Patching and Maintenance:
  • Documentation:
  • Requirements:

Detection

  • Manual Analysis:
  • Automated Analysis:

Mappings

Related CVEs, CWEs, and ATT&CK context

Related CWEs

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Related CVE mappings appear after CVE records are cross-indexed.

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ATT&CK Relevance

ATT&CK relevance is shown only when reviewed or responsibly inferred.