Revisiting FEI Protocol Incident
ID: 3b690a17-0a10-50dc-8c06-2e5551ad9ce5
STIX ID: report--3b690a17-0a10-50dc-8c06-2e5551ad9ce5
Feed Name: CertiK Blog
Threat Score
On 30 April 2022 a re-entrancy exploit against Rari Fuse pools (after Fei/Rari merger) allowed an attacker to drain roughly $80M by flash-loaning assets, depositing collateral into a vulnerable forked Compound-style contract, invoking borrow() which transferred ETH before updating borrow state, then re-entering to call exitMarket() and withdraw collateral; the report includes transaction addresses, asset tallies, and a code-level explanation showing the check-effect-interaction violation.
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