CVE-2022-29255
Last modified
CVE-2022-29255 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vyperlang | Vyper | < 0.3.4 |
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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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