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CVE-2022-29255

8.2 · HIGH

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine.

Published Jun 9, 2022CWE-670EPSS 1.33%

Overview

CVE-2022-29255 is a high-severity vulnerability. It was published on June 9, 2022 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8dGitHubgithub.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38GitHubgithub.com/vyperlang/vyper/commit/6b4d8ff185de071252feaa1c319712b2d6577f8dGitHubgithub.com/vyperlang/vyper/security/advisories/GHSA-4v9q-cgpw-cf38

How CyberStrike helps

Frequently asked questions

What is CVE-2022-29255?

CVE-2022-29255 is a high-severity vulnerability. It was published on June 9, 2022 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2022-29255?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-29255?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-29255?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-29255 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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