CVE-2022-29255
Multiple evaluation of contract address in call in vyper
7.5
HIGH
CVSS 3.1
EPSS 0.30%
Description
Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions prior to 0.3.4 when a calling an external contract with no return value, the contract address (including side effects) could be evaluated twice. This may result in incorrect outcomes for contracts. This issue has been addressed in v0.3.4.
How to fix CVE-2022-29255
To remediate CVE-2022-29255, upgrade the affected package to a fixed version below.
- —upgrade to 0.3.4 or later
- —upgrade to 6b4d8ff185de071252feaa1c319712b2d6577f8d or later
Is CVE-2022-29255 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.3.4
- from 0, < 6b4d8ff185de071252feaa1c319712b2d6577f8d | from 0, < 0.3.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |