Security readout for executives and security teams
Plain-English summary
Universal Coin (UCOIN), an Ethereum token smart contract, had an integer overflow in its mintToken function. The CVE says the contract owner could set any user's balance to any value. Business impact depends on whether an organization held, integrated, or trusted this specific token contract.
Executive priority
Treat as an exposure-scoping issue unless your business depends on this token. If UCOIN is held, traded, accepted, or integrated, prioritize contract identification and risk review because token balances may not be trustworthy.
Technical view
The reported issue is an integer overflow in mintToken for a UCOIN smart contract implementation. The CVE describes owner-controlled balance manipulation for arbitrary users. The source bundle does not provide CVSS, CWE, affected version details, exploit activity, or a vendor patch statement.
Likely exposure
Exposure appears limited to systems, wallets, exchanges, or applications relying on the affected UCOIN Ethereum token implementation. The bundle lists no formal vendor, product, CPE, or version data, so contract-level identification is required.
Exploitation context
The bundle does not show active exploitation and KEV is false. The described capability requires the contract owner role, so risk depends heavily on who controls that role and whether the contract is deployed or trusted in production.
Researcher notes
Evidence is sparse. The strongest claim is the CVE description and the referenced EtherTokens write-up. No CVSS, CWE, affected version matrix, patch, CPE, or exploitation evidence is provided in the bundle.
Mitigation direction
- Check the referenced project and token maintainers for remediation guidance.
- Identify whether any deployed or integrated UCOIN contract matches the affected implementation.
- Limit reliance on affected token balances until contract exposure is validated.
- Review owner-key governance and monitoring around minting activity.
- Avoid inventing patches without contract maintainer or legal review.
Validation and detection
- Locate any UCOIN contract addresses used by your organization.
- Compare contract source or bytecode against the referenced UCOIN implementation.
- Review mintToken behavior for overflow-safe arithmetic and owner restrictions.
- Check token balance history for unexpected minting or balance anomalies.
- Document whether exposure is direct, indirect, or not present.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-13089 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/VenusADLab/EtherTokens/blob/master/UCoinToken/UCoinToken.mdCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.