CVE-2022-29255 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00097.

Exploitation poc

Automatable yes

Technical Impact partial

Vendors	Products
Vyperlang	Vyper

Configuration 1 [-]

cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-0356	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.
Github GHSA	GHSA-4v9q-cgpw-cf38	Multiple evaluation of contract address in call in vyper

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8d
https://github.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38

History

Tue, 22 Apr 2025 18:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2022-06-06T19:55:10.000Z

Updated: 2025-04-22T17:54:47.403Z

Reserved: 2022-04-13T00:00:00.000Z

Link: CVE-2022-29255

Vulnrichment

Updated: 2024-08-03T06:17:54.500Z

NVD

Status : Modified

Published: 2022-06-09T09:15:08.377

Modified: 2024-11-21T06:58:49.077

Link: CVE-2022-29255

Redhat

No data.

OpenCVE Enrichment

No data.

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