SARA / Free Tools / CVE / CVE-2022-31111

CVE-2022-31111 — Frontier is Substrate's Ethereum compatibility layer

Frontier is Substrate's Ethereum compatibility layer. In affected versions the truncation done when converting between EVM balance type and Substrate balance type was incorrectly implemented. This leads to possible discrepancy between appeared EVM transfer value and actual S

CVSS
5.3 MEDIUM
EPSS
0.58% (top 31.30%)
CWE
CWE-670
Published
2022-07-06T17:15:14.000Z
Last modified
2025-04-23T18:04:45.882Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

01What is this vulnerability?

Frontier is Substrate's Ethereum compatibility layer. In affected versions the truncation done when converting between EVM balance type and Substrate balance type was incorrectly implemented. This leads to possible discrepancy between appeared EVM transfer value and actual Substrate value transferred. It is recommended that an emergency upgrade to be planned and EVM execution temporarily paused…

02Affected products

VendorProductVersions
paritytechfrontiercommits prior to fed5e0a9577c10bea021721e8c2c5c378e16bf66

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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