Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Cimarex Energy Co. 401(k) Plan
Denver, Colorado
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (333-196169, 333-174361, 333-125621, and 333-100235) of Cimarex Energy Co. of our report dated June 24, 2021, relating to the Statement of Net Assets Available for Plan Benefits as of December 31, 2020 and the related Statement of Changes in Net Assets Available for Plan Benefits for the year then ended and the related notes and supplemental schedule of Cimarex Energy Co. 401(k) Plan, which appear in this Form 11-K for the year ended December 31, 2020.
/s/ BDO USA, LLP
Denver, Colorado
June 24, 2021