# Slither Trophies The following lists security vulnerabilities that were found by Slither. If you found a security vulnerability using Slither, please submit a PR with the relevant information. | Project | Vulnerability | Date | |--|--|--| [Parity](https://github.com/trailofbits/publications/blob/master/reviews/parity.pdf) | Incorrect constructor name | July 2018 [Parity](https://github.com/trailofbits/publications/blob/master/reviews/parity.pdf) | Deletion of a mapping with structure | July 2018 [Parity](https://github.com/trailofbits/publications/blob/master/reviews/parity.pdf) | Uninitialized state variables | July 2018 [Basis](https://github.com/trailofbits/publications/blob/master/reviews/basis.pdf) | Missing return value check | Oct 2018 [Origin protocol](https://github.com/trailofbits/publications/blob/master/reviews/origin.pdf) | Reentrancy | Nov 2018 [Numerai](https://github.com/trailofbits/publications/blob/master/reviews/numerai.pdf) | Deletion of a mapping with structure | Jul 2019 [Numerai](https://github.com/trailofbits/publications/blob/master/reviews/numerai.pdf) | Missing return value | Jul 2019 [Flexa](https://github.com/trailofbits/publications/blob/master/reviews/Flexa.pdf) | Reentrancy (events out of order) | Sep 2019 [0x](https://github.com/trailofbits/publications/blob/master/reviews/0x-protocol.pdf) | Missing return value | Oct 2019 [Token mint](https://certificate.quantstamp.com/full/token-mint) | Reentrancies | Dec 2019 [Airswap](https://certificate.quantstamp.com/full/airswap) | Missing return value check | Feb 2020 [Stake Technologies Lockdrop](https://certificate.quantstamp.com/full/stake-technologies-lockdrop) | Dangerous strict equality | Mar 2020 [E&Y’s Nightfall](https://blog.trailofbits.com/2020/05/15/bug-hunting-with-crytic/) | Missing return value | May 2020 [E&Y’s Nightfall](https://blog.trailofbits.com/2020/05/15/bug-hunting-with-crytic/) | Empty return value | May 2020 [DefiStrategies](https://blog.trailofbits.com/2020/05/15/bug-hunting-with-crytic/) | Modifier can return the default value | May 2020 [DefiStrategies](https://blog.trailofbits.com/2020/05/15/bug-hunting-with-crytic/) | Dangerous strict equality allows the contract to be trapped | May 2020 [DOSnetwork](https://blog.trailofbits.com/2020/05/15/bug-hunting-with-crytic/) | Abi `encodedPacked` collision | May 2020 [EthKids](https://blog.trailofbits.com/2020/05/15/bug-hunting-with-crytic/) | `msg.value` is used two times to compute a price | May 2020 [HQ20](https://blog.trailofbits.com/2020/05/15/bug-hunting-with-crytic/) | Reentrancy | May 2020 [Dloop](https://certificate.quantstamp.com/full/dloop-art-registry-smart-contract) | Dangerous `block.timestamp` usage | Jun 2020 [Atomic Loans](https://certificate.quantstamp.com/full/atomic-loans) | Uninitialized state variable | Jul 2020 [Atomic Loans](https://certificate.quantstamp.com/full/atomic-loans) | State variable shadowing | Jul 2020 [Atomic Loans](https://certificate.quantstamp.com/full/atomic-loans) | Reentrancy | Jul 2020 [Amp](https://github.com/trailofbits/publications/blob/master/reviews/amp.pdf) | Duplicate contract name | Aug 2020 [PerlinXRewards](https://certificate.quantstamp.com/full/perlin-x-rewards-sol) | Multiple reentrancies | Aug 2020 [Linkswap](https://certificate.quantstamp.com/full/linkswap) | Lack of return value check | Nov 2020 [Linkswap](https://certificate.quantstamp.com/full/linkswap) | Uninitialized state variable | Nov 2020 [Cryptex](https://certificate.quantstamp.com/full/cryptex) | Lack of return value check | Nov 2020 [Hermez](https://github.com/trailofbits/publications/blob/master/reviews/hermez.pdf) | Reentrancy | Nov 2020 [Unoswap](https://www.unos.finance/wp-content/uploads/2020/11/block-audit.pdf) | Contract locking ethers | Nov 2020 [Idle](https://certificate.quantstamp.com/full/idle-finance) | Dangerous divide before multiply operations | Dec 2020 [RariCapital](https://certificate.quantstamp.com/full/rari-capital) | Lack of return value check | Dec 2020 [RariCapital](https://certificate.quantstamp.com/full/rari-capital) | Uninitialized state variable | Dec 2020 [wfil-factory](https://github.com/wfil/wfil-factory/commit/a43c1ddf52cf1191ccf1e71a637df02d78b98cc0) | Reentrancy | Dec 2020 [Origin Dollar](https://github.com/trailofbits/publications/blob/master/reviews/OriginDollar.pdf) | Reentrancy | Jan 2021 [Origin Dollar](https://github.com/trailofbits/publications/blob/master/reviews/OriginDollar.pdf) | Variable shadowing | Jan 2021 [OriginTrait](https://github.com/OriginTrail/starfleet-boarding-contract/commit/6481b12abc3cfd0d782abd0e32eabd103d8f6953) | Reentrancy | Jan 2021 [AlphaHomoraV2](https://certificate.quantstamp.com/full/alpha-homora-v-2) | Dangerous divide before multiply operations | Jan 2021 [Mimo Defi](https://certificate.quantstamp.com/full/ten-x-titan) | Lack of return value check | Jan 2021 [OriginTrail](https://certificate.quantstamp.com/full/origin-trail-starfleet-staking) | Lack of return value check | Feb 2021 [charmfinance](https://github.com/charmfinance/cube-protocol/commit/2f1dd9c7bf6ced3c99332bbe0ff50030efece44a) | Lack of return value check | Mar 2021 [VoyagerToken](https://certificate.quantstamp.com/full/voyager-token) | Lack of return value check | Apr 2021 [holdmybeer](https://github.com/hodlmybeer/hodl/pull/4) | Reentrancies | Jun 2021 ## Slither Rekt The following lists security incidents that could have been prevented using Slither. | Project | Vulnerability | Value loss | Date |--|--|--| -- | Dforce | [Reentrancy](https://peckshield.medium.com/uniswap-lendf-me-hacks-root-cause-and-loss-analysis-50f3263dcc09) | $25m (recovered) | Apr 2020 Lendf.me | [Incorrect self-transfer](https://bzx.network/blog/incident) ([slither-prop](https://github.com/crytic/slither/wiki/Property-generation)) | $8m | Sep 2020 Akropolis | [Reentrancy](https://blog.peckshield.com/2020/11/13/akropolis/) | $2m | Nov 2020 OUSD | [Reentrancy](https://blog.originprotocol.com/urgent-ousd-has-hacked-and-there-has-been-a-loss-of-funds-7b8c4a7d534c?gi=fcb8badacf40) | $7m | Nov 2020 Furucombo | [Arbitrary delegatecall](https://medium.com/furucombo/furucombo-post-mortem-march-2021-ad19afd415e) | $15m | Mar 2021 ForceDAO | [Lack of return value check](https://blog.forcedao.com/xforce-exploit-post-mortem-7fa9dcba2ac3) | $10m ($9.6m recovered) | Apr 2021