CWE-693 is Protection Mechanism Failure. The flaw arises when the product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. The database currently holds 230 vulnerabilities mapped to CWE-693 and 4 of them are in the CISA Known Exploited Vulnerabilities catalog.
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The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
This weakness covers three distinct situations.
A "missing" protection mechanism occurs when the application does not define any mechanism against a certain class of attack.
An "insufficient" protection mechanism might provide some defenses - for example, against the most common attacks - but it does not protect against everything that is intended.
Finally, an "ignored" mechanism occurs when a mechanism is available and in active use within the product, but the developer has not applied it in some code path.
| Impact | Scope | Explanation |
|---|---|---|
| Bypass Protection Mechanism | Access Control | - |
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