Bring water and salt to a boil. Add pasta; cook 9 minutes. Add broccoli; cook 2 minutes. Add zucchini; cook 2 minutes. Drain; keep warm.
Place a large nonstick skillet coated with cooking spray over medium heat until hot. Add bacon, and sauté 3 minutes. Stir in sour cream and milk.
Combine pasta mixture, tomato, and next 3 ingredients. Add bacon mixture; toss well. Sprinkle with cheese. Serve chilled.