Cyber Posture

CWE · MITRE source

CWE-820Missing Synchronization

Abstraction: Base · CVEs in our corpus: 10

The product utilizes a shared resource in a concurrent manner but does not attempt to synchronize access to the resource.

If access to a shared resource is not 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-2025-471541.99.00.01152025-05-01
CVE-2023-28011.67.50.00872023-06-06
CVE-2024-491141.67.80.00322024-12-12
CVE-2026-221631.67.80.00012026-03-20
CVE-2025-14451.57.50.00102025-03-25
CVE-2022-502381.57.40.00052025-09-08
CVE-2023-450841.47.00.00032023-12-05
CVE-2025-479991.46.80.00752025-07-08
CVE-2025-497511.46.80.00452025-08-12
CVE-2024-303871.36.50.00072024-04-12