/**
 * CVSS Vector Parser
 *
 * Parses CVSS v2.0, v3.0, v3.1, and v4.0 vector strings and calculates base scores.
 * Based on FIRST.org CVSS specifications.
 */
interface CVSSScore {
    baseScore: number;
    severity: 'CRITICAL' | 'HIGH' | 'MEDIUM' | 'LOW' | 'NONE';
}
/**
 * Parse a CVSS vector string and calculate the base score
 *
 * @param vector CVSS vector string (e.g., "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H")
 * @returns CVSSScore object with baseScore and severity rating
 * @throws Error if vector is invalid or unsupported
 */
export declare function parseCVSSVector(vector: string): CVSSScore;
export {};
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