0vix Hack

TOTAL LOST $2.0M
Medium Flashloan Donate Function Logic Exploit polygon

Summarize with AI

ChatGPT Perplexity Claude Grok
Affected Chain polygon Incident surface
Recovered - No recovery reported
All-Time Rank #647 By amount stolen
Auditors 2 Prior security audits

Incident Overview

0VIX is an open-source lending and borrowing protocol enhanced with veTokenomics

This is classified as a Flash Loans Attacks . Compare similar hacks →

Incident Report

Protocol / Project 0vix
Date of Incident
Affected Chain(s) polygon
Attack Technique Flashloan Donate Function Logic Exploit
Classification Ecosystem
Primary Source View Post-Mortem

Protocol Information

Protocol Type Lending
Smart Contract Language Solidity
Protocol Twitter/X @0vixProtocol

What the Attacker Needed to Succeed

Understanding the prerequisites for this type of attack helps auditors identify protocols that are most at risk and helps developers build better defenses.

Technical Knowledge Deep understanding of flashloan donate function logic exploit and Solidity and EVM internals
Capital Required Seed capital to cover gas and initial position setup
On-Chain Access Ability to interact with polygon smart contracts and deploy a custom exploit contract
Protocol Analysis Identification of the exploitable vulnerability in 0vix's contract logic - root cause: ecosystem
Execution Speed Precise transaction ordering and timing to exploit the vulnerability within a single atomic block
Obfuscation Plan A strategy to launder and move stolen funds - typically through mixers, cross-chain bridges, or decentralized DEX swaps to resist tracing

What Auditors Should Check

Could this have been caught in audit? Likely — with a thorough Flashloan Donate Function Logic Exploit audit checklist and test coverage
Audited by Audit Report 1, Audit Report 2 — still lost $2.0M. Prior audits don't guarantee safety, especially after post-audit code changes.

If you're auditing a protocol with similar architecture to 0vix, these are the critical security checks that could have prevented this incident (April 2023).

  • Verify all logic paths related to Flashloan Donate Function Logic Exploit are guarded by proper access controls and input validation - see the Flash Loans Attacks attack class for patterns
  • Review privileged functions (owner, admin, governance) for potential abuse vectors - centralization risks should be documented and bounded with timelocks or multi-sigs

Master these auditing techniques with hands-on labs and real exploit scenarios in the Smart Contract Hacking course.

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Security Audit History

Related Attack Classes

The technique used in this hack maps to these vulnerability classes in our security curriculum:

See all Flash Loans Attacks examples →

Flash Loans Attacks

Proof-of-Concept Exploits

1 PoC available
poc-exploits - 0vix
$ 0vix FlashLoan Price Manipulation

On-Chain Evidence & References

Sources & References

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