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Source: .polarion/tracker/fields/taraRecord-taraImpact-enum.xml

Enum Values

Enum IDLabelSort OrderDescription
severeSevere0Life-threatening or fatal injuries. Severe violation of applicable law or regulation. Worst-case consequence.
majorMajor1Severe (non-fatal) injuries. Significant regulatory and legal consequences.
moderateModerate2Light to moderate injuries. Moderate regulatory consequences. Temporary service disruption without physical harm.
negligibleNegligible3No injuries. Negligible legal or financial consequences.
Sort order places the most severe level first (sortOrder 0), which affects dropdown rendering and sort operations in Polarion.

ISO/SAE 21434 Alignment

The impact levels correspond to ISO/SAE 21434 Clause 15 impact severity categories across four dimensions:
Impact LevelSafetyFinancialOperationalPrivacy
SevereLife-threatening / fatalExistential lossesComplete loss of functionMass personal data breach
MajorSevere injuriesMajor lossesExtended loss of functionSignificant data exposure
ModerateLight injuriesModerate lossesPartial loss of functionLimited data exposure
NegligibleNo injuriesNegligible lossesMinimal disruptionNo data impact
The analyst selects the highest applicable impact across all four dimensions.

Risksheet Integration

PropertyValue
Field IDtaraImpact
Column HeaderImpact
Column GroupRisk Assessment (red: #F8EBE8)
Risksheet Level5 (Threat Path level)
Cell DecoratorimpactDecorator
Views3. Risk Assessment, 4. Risk Treatment, Overview
Read-Only in FormYes (editable only in Risksheet)

Impact Decorator Styling

The impactDecorator applies CSS classes based on the selected value:
Impact LevelCSS ClassVisual
SevereSevere (red)Red background
MajorMajor (orange)Orange background
ModerateModerate (amber)Amber background
NegligibleNegligible (green)Green background

Risk Verdict Matrix

Impact is the row axis in the verdict formula. Combined with TARA Feasibility, it produces the risk verdict (1-5):
Impact \ FeasibilityVery LowLowMediumHigh
Severe3455
Major2345
Moderate1234
Negligible1111

Verdict Interpretation

VerdictRisk LevelTreatment Obligation
1NegligibleNo action needed
2LowAcceptable
3MediumInvestigation required
4HighUnacceptable, controls required
5CriticalUnacceptable, immediate action
Threats with Negligible impact always produce Verdict 1 regardless of feasibility, meaning no treatment action is required.

Lucene Queries

type:taraRecord AND taraImpact.KEY:severe
type:taraRecord AND taraImpact.KEY:major
type:taraRecord AND taraImpact.KEY:moderate
type:taraRecord AND taraImpact.KEY:negligible