CWE · MITRE source
CWE-821Incorrect Synchronization
The product utilizes a shared resource in a concurrent manner, but it does not correctly synchronize access to the resource.
If access to a shared resource is not correctly synchronized, then the resource may not be in a state that is expected by the product. This might lead to unexpected or insecure behaviors, especially if an attacker can influence the shared resource.
Last updated: 09 May 2026 03:25 UTC
NIST 800-53 r5 controls that address this weakness (0)AI
| 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-2024-1739 | 1.8 | 9.1 | 0.0018 | 2024-04-16 |
CVE-2022-1931 | 1.6 | 8.1 | 0.0032 | 2022-05-31 |
CVE-2024-1902 | 1.5 | 7.5 | 0.0010 | 2024-04-10 |
CVE-2023-5088 | 1.3 | 6.4 | 0.0001 | 2023-11-03 |
CVE-2024-6657 | 1.3 | 6.5 | 0.0005 | 2024-10-11 |
CVE-2026-21919 | 1.3 | 6.5 | 0.0004 | 2026-04-09 |
CVE-2024-5755 | 1.1 | 5.3 | 0.0004 | 2024-06-27 |
CVE-2024-4278 | 1.1 | 5.5 | 0.0004 | 2024-09-26 |
CVE-2024-58131 | 0.8 | 4.0 | 0.0022 | 2025-04-06 |
CVE-2024-58132 | 0.8 | 4.0 | 0.0021 | 2025-04-06 |
CVE-2024-58133 | 0.8 | 4.0 | 0.0021 | 2025-04-06 |