Hack history / 2023 / Hack or exploit
swapX
Hack or exploit on Feb 27, 2023 · Improper Access Control
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$1M
dollars at the time
Returned
none listed
as the sources state it
Rank
#933
among thefts by dollars lost
What happened
swapX on BSC was exploited through a lack of access control in the 0x4f1f05bc function. The attacker repeatedly called this function to manipulate DND token prices and drain approximately $1M from user wallets that had approved the contract.
Details
- Date
- Feb 27, 2023
- Kind
- Hack or exploit
- Method
- Improper Access Control
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- BNB Chain
Reported by
Related incidents
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Terraport 2023 · Hack or exploit · $4M
Curve Finance MEV Bot 2023 · Hack or exploit · $2M
Atlantis Loans 2023 · Hack or exploit · $1.1M
Exactly 2023 · Hack or exploit · $7.5M
Terraport 2023 · Hack or exploit · $4M
Curve Finance MEV Bot 2023 · Hack or exploit · $2M
Atlantis Loans 2023 · Hack or exploit · $1.1M
Cite this page
SwanBluechip, "swapX hack, Feb 27, 2023: $1M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht65e7267eed/ (data as of 2026-11-01).