Tesla is suing an oil executive under suspicion of impersonating Elon Musk to dig up confidential financial information from the company, Forbes reported on Wednesday.

The lawsuit, reportedly filed Wednesday in the Superior Court of Santa Clara County, claimed that Todd Katz, the chief financial officer for Quest Integrity Group, emailed Tesla's chief financial officer using a similar email address as Musk's looking to gain information that wasn't disclosed in an earnings call with investors.

Quest Integrity Group has partnerships with BP, Chevron, and ExxonMobil, the Forbes report said.

According to the lawsuit, Katz used "elontesla@yahoo.com" to send an email to Tesla CFO Jason Wheeler asking about the company's sales and financial projections.

"The point of this action is that this was perceived as an effort to gain inside information, non-public information," John Hueston, a Los Angeles-based attorney representing the electronic-car maker, said.

"Although it was caught here, Tesla is worried about this happening in some other form," he said. "This could have resulted in highly valuable information being improperly disclosed."