CVE-2020-35962 json
The sellTokenForLRC function in the vault protocol in the smart contract implementation for Loopring (LRC), an Ethereum token, lacks access…
published 2021-01-03 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23545
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
The sellTokenForLRC function in the vault protocol in the smart contract implementation for Loopring (LRC), an Ethereum token, lacks access control for fee swapping and thus allows price manipulation.
Exploit prediction
1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blocksecteam.medium.com https://blocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51f referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
References
-
blocksecteam.medium.com
/loopring-lrc-protocol-incident-66e9470bd51f
exploit, third-party-advisory
-
etherscan.io
/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171
third-party-advisory
Sources
- CVE List CVE-2020-35962
- NVD CVE-2020-35962
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