CWE-140: Improper Neutralization of Delimiters

BaseDraft

The product does not neutralize or incorrectly neutralizes delimiters.

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Technical Details

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Frequently Asked Questions

What is CWE-140: Improper Neutralization of Delimiters?+

CWE-140: Improper Neutralization of Delimiters is a Common Weakness Enumeration (CWE) entry maintained by MITRE. The product does not neutralize or incorrectly neutralizes delimiters.

What are the security consequences of Improper Neutralization of Delimiters?+

If exploited, CWE-140 (Improper Neutralization of Delimiters) it can compromise Integrity, leading to outcomes such as Unexpected State.

How do you prevent or mitigate Improper Neutralization of Delimiters?+

Recommended mitigations for CWE-140 include: Developers should anticipate that delimiters will be injected/removed/manipulated in the input vectors of their product. Use an appropriate combination of denylists and allowlists to ensure only valid, expected and appropriate input is processed by the system.

What are real-world examples of Improper Neutralization of Delimiters?+

MITRE documents real CVEs mapped to CWE-140, including CVE-2003-0307, CVE-2000-0293, CVE-2001-0527 and CVE-2002-0267. You can look up the full details of each CVE, including CVSS scores and remediation guidance, on our CVE Lookup tool.

What is the difference between a CWE and a CVE?+

A CWE (Common Weakness Enumeration) like CWE-140 describes a category of software weakness — the underlying flaw type. A CVE (Common Vulnerabilities and Exposures) identifies a specific, real-world vulnerability in a particular product. In short, a CWE is the kind of mistake, and a CVE is an instance of that mistake being found in software.

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