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A LIBRARY FOR SECURITY RESEARCHERS

CWE WEAKNESSES  /  CWE-221

CWE-221

Information Loss or Omission

Class

What it is

The product does not record, or improperly records, security-relevant information that leads to an incorrect decision or hampers later analysis.

Impact

Non-RepudiationHide Activities

Real-world CVE examples

  • CVE-2004-2227 — Web browser's filename selection dialog only shows the beginning portion of long filenames, which can trick users into launching executables with dangerous exte
  • CVE-2003-0412 — application server does not log complete URI of a long request (truncation).
  • CVE-1999-1029 — Login attempts are not recorded if the user disconnects before the maximum number of tries.
  • CVE-2002-0725 — Attacker performs malicious actions on a hard link to a file, obscuring the real target file.
  • CVE-1999-1055 — Product does not warn user when document contains certain dangerous functions or macros.

Related weaknesses

Test & detect

Browse all common weaknesses, check related exploited CVEs, or map to ATT&CK techniques.

Source: MITRE CWE. View on cwe.mitre.org →

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