The alleged attack happened just after 9:15 p.m. on Friday, May 17 at a commercial building, Cambridge police said in a Sunday news release. The victim said the attacker wore a mask and had a knife during the assault.
Detectives collected evidence from the crime scene.
They ask anyone with information about this attack to contact investigators at 617-349-9151 or online at cambridgepolice.org/TIPS.
Anyone who sees something suspicious should call 911 immediately, Cambridge police said.
Click here to follow Daily Voice Needham and receive free news updates.