CWE · MITRE source
CWE-440Expected Behavior Violation
A feature, API, or function does not perform according to its specification.
Last updated: 09 May 2026 03:25 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-2021-41035 | 2.0 | 9.8 | 0.0015 | 2021-10-25 |
CVE-2019-6569 | 1.9 | 9.1 | 0.0051 | 2019-03-26 |
CVE-2024-32971 | 1.8 | 9.0 | 0.0021 | 2024-05-02 |
CVE-2025-8850 | 1.8 | 8.8 | 0.0007 | 2025-10-30 |
CVE-2018-12550 | 1.6 | 8.1 | 0.0047 | 2019-03-27 |
CVE-2023-4807 | 1.6 | 7.8 | 0.0067 | 2023-09-08 |
CVE-2022-3281 | 1.5 | 7.5 | 0.0024 | 2022-10-17 |
CVE-2023-32731 | 1.5 | 7.4 | 0.0008 | 2023-06-09 |
CVE-2023-6129 | 1.5 | 6.5 | 0.0250 | 2024-01-09 |
CVE-2024-30246 | 1.5 | 7.6 | 0.0009 | 2024-03-29 |
CVE-2019-5061 | 1.3 | 6.5 | 0.0029 | 2019-12-12 |
CVE-2019-5062 | 1.3 | 6.5 | 0.0009 | 2019-12-12 |
CVE-2019-5108 | 1.3 | 6.5 | 0.0076 | 2019-12-23 |
CVE-2023-2088 | 1.3 | 6.5 | 0.0013 | 2023-05-12 |
CVE-2025-6211 | 1.3 | 6.5 | 0.0030 | 2025-07-10 |
CVE-2025-52953 | 1.3 | 6.5 | 0.0017 | 2025-07-11 |
CVE-2024-47762 | 1.2 | 5.8 | 0.0019 | 2024-10-03 |
CVE-2020-10766 | 1.1 | 5.5 | 0.0008 | 2020-09-15 |
CVE-2020-10767 | 1.1 | 5.5 | 0.0004 | 2020-09-15 |
CVE-2020-10768 | 1.1 | 5.5 | 0.0003 | 2020-09-16 |
CVE-2022-3344 | 1.1 | 5.5 | 0.0011 | 2022-10-25 |
CVE-2023-32732 | 1.1 | 5.3 | 0.0002 | 2023-06-09 |
CVE-2024-7246 | 1.1 | 5.3 | 0.0004 | 2024-08-06 |
CVE-2025-27094 | 1.1 | 5.4 | 0.0018 | 2025-03-03 |
CVE-2025-3044 | 1.1 | 5.3 | 0.0023 | 2025-07-07 |