VulnerabilityModified
CVE-2022-29255
Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine.
HIGH 7.5EPSS 1.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.33% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-670
- Affected
- vyperlang/vyper
- Source
- security-advisories@github.com
References
- https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8dPatch, Third Party Advisory
- https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38Exploit, Mitigation, Third Party Advisory
- https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8dPatch, Third Party Advisory
- https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38Exploit, Mitigation, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.