CVE-2018-13525 json
The mintToken function of a smart contract implementation for Flow, an Ethereum token, has an integer overflow that allows the owner of the…
published 2018-07-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-5463
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
The mintToken function of a smart contract implementation for Flow, an Ethereum token, has an integer overflow that allows the owner of the contract to set the balance of an arbitrary user to any value.
Exploit prediction
1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/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 |
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
github.com
/BlockChainsSecurity/EtherTokens/blob/master/GEMCHAIN/mint%20integer%20overflow.md
exploit, third-party-advisory
-
github.com
/BlockChainsSecurity/EtherTokens/tree/master/Flow
third-party-advisory
Sources
- CVE List CVE-2018-13525
- NVD CVE-2018-13525
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