You cannot appeal a CS2 game ban.

https://help.steampowered.com/en/faqs/view/4E54-0B96-D0A4-1557

CS2 game bans can be issued for, including but not exclusively:
* frequent irregular gameplay as detected by VACNet AI or by other means, this includes premade matchmaking with a cheater repeatedly or cheating committed by yourself,
* incessant griefing by verbal abuse, in-game physical abuse or other unsportsmanlike conduct,
* botting and automation,
* manipulation of matchmaker and rating,
* disruption of gameplay on the technical level (such as DDoS attacks or causing crashes)

CS2 game bans are both permanent and non-negotiable.

Originally posted by nod1t:

I got vac banned random on this account, i didn't have cheats and i consider i always played normal, and i ve been friendly. I think i got banned so random. I reported every cheater i had in every game, how could i get banned like this. Help!

1 game ban on record | Info
0 day(s) since last ban

gamebans for cs2 is given for one of a few things and its permanent