Cyber Resilience

CVE-2022-29255

HighPublic PoC

Published: 09 June 2022

Published
09 June 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
EPSS Score 0.0030 53.8th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-29255 is a high-severity Always-Incorrect Control Flow Implementation (CWE-670) vulnerability in Vyperlang Vyper. Its CVSS base score is 8.2 (High).

Operationally, ranked in the top 46.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

in incorrect outcomes for contracts. This issue has been addressed in v0.3.4.

CWE(s)
CWE-670

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

vyperlang
vyper
≤ 0.3.4

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References