А Шенген у вас двухкратный/мульти?

Вот тут в секции Categories of persons and countries whose nationals do not require a visa

Holders of valid double or multiple entry Schengen visa or Bulgarian, Croatian and Romanian national visa, as well as residence permits issued by Schengen Member States or by Bulgaria, Croatia and Romania, are not required to hold a short-stay visa to enter the Republic of Cyprus for a time period that does not exceed 90 days in any 180 day period. This provision does not apply to citizens of Turkey and Azerbaijan who must follow the regular visa issuance procedure, unless they are family members of an EU citizen as provided in Directive 2004/38/EC. Note: The Republic of Cyprus has adopted the provisions of Decision No. 565/2014/EU of the European Parliament and of the Council of 15 May 2014 introducing a simplified regime for the control of persons at the external borders based on the unilateral recognition by Cyprus as well as by Bulgaria, Croatia and Romania of certain documents as equivalent to their national visas for transit through or intended stays on their territories not exceeding 90 days in any 180-day period.

Так если она действительна с лета, то она не является валидной на данный момент

“Неоткрытая” виза — это понятие, которое не существует, но которое все называют, когда говорят о визе, еще не использованной для въезда в страну, которая эту визу выдала
То, что в вашей ситуации, — это не “неоткрытая” виза, это ее отсутствие