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CWE-521 vulnerabilities

CWE-521 · 12 tracked

CWE-521 (CWE-521) is a recognized software weakness class in the MITRE CWE catalog. The vulnerabilities below are all instances of this pattern.

How it’s exploited

How cwe-521 is exploited depends on the specific vulnerability, but every CVE in this class shares the same underlying flaw pattern — which is why the same class of mitigation applies across them.

How to prevent it

Recognizing the cwe-521 pattern lets you apply one class of fix across every affected component. Each CVE page below carries specific, version-level remediation.

Tracked cwe-521 vulnerabilities

12 CVEs in this class, each with severity, exploit status, EPSS, and remediation.

Frequently asked questions

What is CWE-521?
CWE-521 (CWE-521) is a recognized software weakness class in the MITRE CWE catalog. The vulnerabilities below are all instances of this pattern.
How is cwe-521 exploited?
How cwe-521 is exploited depends on the specific vulnerability, but every CVE in this class shares the same underlying flaw pattern — which is why the same class of mitigation applies across them.
How do you prevent cwe-521?
Recognizing the cwe-521 pattern lets you apply one class of fix across every affected component. Each CVE page below carries specific, version-level remediation.
How many cwe-521 vulnerabilities are there?
O3 tracks 12 vulnerabilities classified as CWE-521 (this weakness class), each with severity, exploit status, EPSS exploitation probability, and remediation. The full list is below.