CVE-2018-13202
CVE-2018-13202 is a high-severity vulnerability in Mybo Project Mybo with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Mybo Project Mybo
- Published:
- Last modified:
Description
The sell function of a smart contract implementation for MyBO, an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.
Frequently asked questions
- What is CVE-2018-13202?
- The sell function of a smart contract implementation for MyBO, an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.
- How severe is CVE-2018-13202?
- CVE-2018-13202 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2018-13202 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-13202?
- CVE-2018-13202 affects Mybo Project Mybo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-13202?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-13202 published?
- CVE-2018-13202 was published on 2018-07-05 and last updated on 2026-06-17.
References
- https://github.com/BlockChainsSecurity/EtherTokens/blob/master/ETHEREUMBLACK/sell%20integer%20overflow.md
- https://github.com/BlockChainsSecurity/EtherTokens/tree/master/MyBoToken
Affected products (1)
- cpe:2.3:a:mybo_project:mybo:-:*:*:*:*:*:*:*
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