CWE · MITRE source
CWE-228Improper Handling of Syntactically Invalid Structure
The product does not handle or incorrectly handles input that is not syntactically well-formed with respect to the associated specification.
Last updated: 20 August 2026 13:14 UTC
Control responseHuman-reviewed
Answering this weakness across the control lifecycle, from our framework cross-walks.
Detect
Catch it (CSF Detect / Respond)
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Harden
Shrink the surface (DISA STIG)
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Validate
Prove the fix (OWASP ASVS)
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NIST 800-53 r5 controls that address this weakness (0)AI-assisted
| Control | Title | Family | Why it addresses this CWE |
|---|---|---|---|
| No NIST controls proposed yet. | |||
Top CVEs of this weakness type, ranked by Risk Priority
| CVE | Risk | CVSS | EPSS | Published |
|---|---|---|---|---|
CVE-2020-27847 UPD | 7.6 | 9.8 | 0.0172 | 2021-05-28 |
CVE-2018-5381 UPD | 6.6 | 6.5 | 0.3016 | 2018-02-19 |
CVE-2024-21612 UPD | 5.9 | 7.5 | 0.0053 | 2024-01-12 |
CVE-2026-34232 UPD | 5.9 | 7.5 | 0.0047 | 2026-04-17 |
CVE-2026-42100 UPD | 5.9 | 7.5 | 0.0068 | 2026-05-19 |
CVE-2025-0343 UPD | 5.8 | 7.5 | 0.0033 | 2025-01-15 |
CVE-2021-38443 UPD | 5.5 | 6.6 | 0.0210 | 2022-05-05 |
CVE-2026-20125 | 5.5 | 7.7 | 0.0028 | 2026-03-25 |
CVE-2024-22809 UPD | 5.0 | 6.5 | 0.0025 | 2024-04-22 |
CVE-2026-25657 UPD | 4.9 | 6.5 | 0.0016 | 2026-06-05 |
CVE-2025-59174 UPD | 4.9 | 6.5 | 0.0016 | 2026-06-05 |
CVE-2026-50103 | 4.9 | 6.5 | 0.0016 | 2026-07-23 |
CVE-2021-36199 UPD | 4.7 | 5.3 | 0.0104 | 2022-01-14 |
CVE-2024-6382 UPD | 4.7 | 6.4 | 0.0028 | 2024-07-02 |
CVE-2024-55594 UPD | 4.6 | 5.6 | 0.0051 | 2025-03-14 |
CVE-2023-42784 UPD | 4.5 | 5.6 | 0.0037 | 2025-03-11 |
CVE-2024-53828 UPD | 4.2 | 5.3 | 0.0036 | 2026-04-01 |
CVE-2024-22815 UPD | 4.1 | 5.3 | 0.0023 | 2024-04-22 |
CVE-2025-47736 UPD | 2.6 | 2.9 | 0.0025 | 2025-05-09 |
CVE-2025-2529 UPD | 2.5 | 2.9 | 0.0019 | 2025-10-15 |