Conn. Gen. Stat. § 47a-21

(g) Action to reclaim security deposit. Any person may bring an action in replevin or for money damages in any court of competent jurisdiction to reclaim any part of such person's security deposit which may be due. This section does not preclude the landlord or tenant from recovering other damages to which the landlord or tenant may be entitled.

(h) Escrow deposit. (1) Each landlord shall immediately deposit the entire amount of any security deposit received by such landlord from each tenant into one or more escrow accounts established or maintained in a financial institution for the benefit of each tenant. Each landlord shall maintain each such account as escrow agent and shall not withdraw funds from such account except as provided in subdivision (2) of this subsection.

(2) The escrow agent may withdraw funds from an escrow account to: (A) Disburse the amount of any security deposit and accrued interest due to a tenant pursuant to subsection (d) of this section; (B) disburse interest to a tenant pursuant to subsection (i) of this section; (C) make a transfer of the entire amount of certain security deposits pursuant to subdivision (3) of this subsection; (D) retain interest credited to the account in excess of the amount of interest payable to the tenant under subsection (i) of this section; (E) retain all or any part of a security deposit and accrued interest after termination of tenancy equal to the damages suffered by the landlord by reason of the tenant's failure to comply with such tenant's obligations; (F) disburse all or any part of the security deposit to a tenant at any time during tenancy; or (G) transfer such funds to another financial institution or escrow account, provided such funds remain continuously in an escrow account.