UniLend V2 Relaunched Bug Bounty On Immunefi

Published on: 18.11.2022

UniLend V2 Relaunched Bug Bounty On Immunefi

UniLend V2 Relaunched Bug Bounty On Immunefi. The UniLend a comprehensive permissionless DeFi protocol. Whereas other DeFi protocols support only a limited number of assets, anyone can list any asset on UniLend’s supported blockchains (currently Ethereum, Polygon, BSC and Moonriver) to access comprehensive DeFi functionality for those assets. This includes decentralized lending/borrowing, and the industry’s most cost-effective flash loans.

In addition to cryptocurrencies, UniLend will also support various synthetic real-world assets, NFTs and derivatives (including the major FAANG stocks and precious metals such as gold and silver).

This bug bounty program is focus on their smart contracts and is focus on preventing:

  • Loss of user funds staked (principal) by freezing or theft
  • Temporary freezing of funds for at least 24 hours
  • Unable to call smart contract
  • Smart contract gas drainage
  • Smart contract fails to deliver promised returns

Rewards by Threat Level

Rewards are distributed according to the impact of the vulnerability based on the Immunefi Vulnerability Severity Classification System V2.2. This is a simplified 5-level scale, with separate scales for websites/apps and smart contracts/blockchains, encompassing everything from consequence of exploitation to privilege required to likelihood of a successful exploit.

Critical and High smart contract bug reports must come with a PoC with an end-effect impacting an asset-in-scope in order to be consider for a reward. Explanations and statements are not accepted as PoC and code is require. In addition, all Critical and High bug reports must also come with a suggestion for a fix in order to be consider for a reward.

All known issues highlight in the following audit report are consider out of scope:

Payouts are handled by the Unilend team directly and are denominate in USD. However, payouts are done in UFT.

Out of Scope & Rules

The following vulnerabilities are exclude from the rewards for this bug bounty program:

  • Attacks that the reporter has already exploited themselves, leading to damage
  • Attacks requiring access to leaked keys/credentials
  • Attacks requiring access to privileged addresses (governance, strategist)

Smart Contracts and Blockchain

  • Incorrect data supplied by third party oracles
    • Not to exclude oracle manipulation/flash loan attacks
  • Basic economic governance attacks (e.g. 51% attack)
  • Lack of liquidity
  • Best practice critiques
  • Sybil attacks
  • Centralization risks

The following activities are prohibit by this bug bounty program:

  • Any testing with mainnet or public testnet contracts; all test should be done on private testnets
  • Any testing with pricing oracles or third party smart contracts
  • Attempting phishing or other social engineering attacks against our employees and/or customers
  • Any testing with third party systems and applications (e.g. browser extensions) as well as websites (e.g. SSO providers, advertising networks)
  • Any denial of service attacks
  • Automated testing of services that generates significant amounts of traffic
  • Public disclosure of an unpatched vulnerability in an embargoed bounty

About Unilend Finance

UniLend a permissionless DeFi protocol that combines spot trading services and lending/borrowing functionality within the same platform.

Website Twitter |

About Immunefi

Website Twitter |



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