This picture shows a herpetic whitlow (herpes
infection of the finger) that has vesicles
and ulcerations.
Sources:
Yeung-Yue, Kimberly. "Herpes simplex viruses 1 and 2." Dermatologic Clinics 20(2002): 1-21.
Habif, Thomas. "Warts, Herpes Simplex, and Other Viral Infections" Clinical Dermatology, 4th Edition. Ed. Thomas Habif, MD. New York: Mosby, 2004. 381-388.

