An attacker can trigger the clear mode accessing TC or consuming its resources, , to disable or limit the security level of the spacecraft. If a 'clear mode' is implemented, the conditions under which, and by which, it is activated should be carefully analyzed, as those might introduce major security vulnerabilities. [1] [2]
Standard/references: [3]
This type of attack technique cannot be easily mitigated with preventive controls since it is based on the abuse of system features.