CWE · MITRE source
CWE-440Expected Behavior Violation
A feature, API, or function does not perform according to its specification.
Last updated: 04 July 2026 08:17 UTC
NIST 800-53 r5 controls that address this weakness (1)AI
| Control | Title | Family | Why it addresses this CWE |
|---|---|---|---|
SI-6 | Security and Privacy Function Verification | SI | Verification of security function operation directly detects deviations from expected behavior. |
Top CVEs of this weakness type, ranked by Risk Priority
| CVE | Risk | CVSS | EPSS | Published |
|---|---|---|---|---|
CVE-2019-6569 | 7.0 | 9.1 | 0.0133 | 2019-03-26 |
CVE-2021-41035 | 7.0 | 9.8 | 0.0170 | 2021-10-25 |
CVE-2024-32971 | 7.0 | 9.0 | 0.0073 | 2024-05-02 |
CVE-2019-5108 | 6.0 | 6.5 | 0.1011 | 2019-12-23 |
CVE-2018-12550 | 5.5 | 8.1 | 0.0135 | 2019-03-27 |
CVE-2022-3281 | 5.5 | 7.5 | 0.0066 | 2022-10-17 |
CVE-2023-32731 | 5.5 | 7.4 | 0.0050 | 2023-06-09 |
CVE-2023-4807 | 5.5 | 7.8 | 0.0086 | 2023-09-08 |
CVE-2024-30246 UPD | 5.5 | 7.6 | 0.0062 | 2024-03-29 |
CVE-2025-8850 | 5.5 | 8.8 | 0.0042 | 2025-10-30 |
CVE-2019-5061 | 3.5 | 6.5 | 0.0092 | 2019-12-12 |
CVE-2019-5062 | 3.5 | 6.5 | 0.0054 | 2019-12-12 |
CVE-2020-10766 | 3.5 | 5.5 | 0.0046 | 2020-09-15 |
CVE-2020-10767 | 3.5 | 5.5 | 0.0037 | 2020-09-15 |
CVE-2020-10768 | 3.5 | 5.5 | 0.0040 | 2020-09-16 |
CVE-2022-3344 | 3.5 | 5.5 | 0.0021 | 2022-10-25 |
CVE-2023-2088 | 3.5 | 6.5 | 0.0120 | 2023-05-12 |
CVE-2023-32732 | 3.5 | 5.3 | 0.0053 | 2023-06-09 |
CVE-2023-6129 | 3.5 | 6.5 | 0.0232 | 2024-01-09 |
CVE-2024-7246 | 3.5 | 5.3 | 0.0022 | 2024-08-06 |
CVE-2024-8690 | 3.5 | 4.4 | 0.0019 | 2024-09-11 |
CVE-2024-47762 | 3.5 | 5.8 | 0.0037 | 2024-10-03 |
CVE-2025-27094 | 3.5 | 5.4 | 0.0033 | 2025-03-03 |
CVE-2025-27401 | 3.5 | 4.6 | 0.0029 | 2025-03-04 |
CVE-2024-56202 | 3.5 | 4.3 | 0.0079 | 2025-03-06 |