Leaderboard
1384All-time rank
GN
GYM Network
Jul 31, 2023
$1K
Lost
$1K
Recovered
$0
Net loss
$1K
Unrecovered0% recovered
GYM Network's _autoDeposit function had no transfer check, allowing users to call deposit() and create_deposit_record() without actually transferring tokens. An attacker repeatedly 'deposited' 8 million GYMNET tokens without sending any funds, then withdrew the fake deposit balance.
How the exploit worked
View reproducible PoCInsufficient validation.
Lost: Unclear
Source: DeFiHackLabs (SunWeb3Sec)
- Target
- DeFi
- Classification
- Access Control
- Technique
- Improper Access Control
- Attribution
- Unknown
- Chains
BSC
Event timeline
- Jul 31, 2023Exploit executed — $1K drained via improper access control
- Attributed to Unknown
- Recovery status Unrecovered 0%
Data credits
- DefiLlamaIncident record, amounts, chains, recovery data and logo
- DeFiHackLabsExploit analysis and reproducible proof-of-concept (by SunWeb3Sec)