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CWE Reference

CWE-1123: Excessive Use of Self-Modifying Code | Glexia

CWE-1123 (Excessive Use of Self-Modifying Code) weakness overview with consequences, detection methods, mitigations, related CVEs and MITRE ATT&CK context.

Release 4.20weaknessIncomplete

Glexia's Take · Automated analysis

CWE-1123: Excessive Use of Self-Modifying Code

Excessive Use of Self-Modifying Code represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Executive Impact

  • Other: Reduce Maintainability,Increase Analytical Complexity: This issue makes it more difficult to understand or maintain the product, which indirectly affects security by making it more difficult or time-consuming to find and/or fix vulnerabilities. It also might make it easier to introduce vulnerabilities.

Developer Pattern

CWE-1123 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-1123, 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-1123: Excessive Use of Self-Modifying Code

The product uses too much self-modifying code.

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

  • Use safe APIs
  • Centralize the control
  • Add regression tests
  • Review logs and telemetry for attempted abuse

Detection

  • Code review
  • SAST
  • DAST
  • Focused regression tests

Mappings

Related CVEs, CWEs, and ATT&CK context

Related CWEs

Related CVEs

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

Open CWE CVE mapping

ATT&CK Relevance

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