CVE-2021-30883

• Attack VectorLocalRequires local access — shell, console, or local app.
• Attack ComplexityLowNo special conditions — exploit works reliably.
• Privileges RequiredNoneUnauthenticated — no credentials needed.
• User InteractionRequiredRequires user action (click, file open, etc).
• ScopeUnchangedImpact contained to the vulnerable component.
• Confidentiality ImpactHighTotal disclosure of sensitive data.
• Integrity ImpactHighTotal compromise of integrity — full data modification possible.
• Availability ImpactHighTotal loss of availability — full DoS possible.

Low exploitation likelihood — defer if no other signals fire.