Leaderboard
350All-time rank
C

ChainSwap

Nov 7, 2021

$4.4M
Lost
$4.4M
Recovered
$0
Net loss
$4.4M
Unrecovered0% recovered

ChainSwap bridge suffered an access control vulnerability in its cross-chain quota code. The attacker exploited a logical flaw that allowed invalid, non-whitelisted addresses to bypass authorization, take control of target projects' BSC contracts, and mint tokens directly to the attacker's address for sale.

Target
Bridge
Classification
Access Control
Technique
Caller Impersonation
Attribution
Unknown
Chains
EthereumBSC

Event timeline

  1. Nov 7, 2021
    Exploit executed — $4.4M drained via caller impersonation
  2. Attributed to Unknown
  3. Recovery status Unrecovered 0%

Data credits

Related incidents