Umbra Wiki weakness weakness/CWE-820
Back to wiki

CWE-820 — Missing Synchronization

provenance: imported · CWE: CWE-820

CWE-820: Missing Synchronization

MITRE CWE weakness

Kind Weakness
Abstraction Base
Status Incomplete
Likelihood of exploit

Description

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.

Common consequences

  • Integrity, Confidentiality, Other: Modify Application Data, Read Application Data, Alter Execution Logic

Mitigations

(none listed)

References

  • CWE page: https://cwe.mitre.org/data/definitions/820.html
  • CWE list: https://cwe.mitre.org/data/index.html