Leaderboard
192All-time rank
ValueDefi
May 7, 2021
$11.0M
Lost
$11.0M
Recovered
$0
Net loss
$11.0M
Unrecovered0% recovered
ValueDefi custom-weighted pools drained on May 7, 2021. Uninitialized contracts lacked the 'initialized = true' flag, allowing attacker to re-initialize, set themselves as operator/owner, and drain vBWAP/BUSD LP tokens via governanceRecoverUnsupported().
How the exploit worked
View reproducible PoCCross Contract Reentrancy.
Source: DeFiHackLabs (SunWeb3Sec)
- Target
- DeFi
- Classification
- Token & Share Accounting
- Technique
- Arithmetic Error
- Attribution
- Unknown
- Chains
BSC
Event timeline
- May 7, 2021Exploit executed — $11.0M drained via arithmetic error
- 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)