CVE-2023-42441
Published: 18 September 2023
Summary
CVE-2023-42441 is a medium-severity Deadlock (CWE-833) vulnerability in Vyperlang Vyper. Its CVSS base score is 5.3 (Medium).
Operationally, ranked at the 35.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-0274
Vulnerability details
Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). Starting in version 0.2.9 and prior to version 0.3.10, locks of the type `@nonreentrant("")` or `@nonreentrant('')` do not produce reentrancy checks at runtime. This issue is fixed…
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in version 0.3.10. As a workaround, ensure the lock name is a non-empty string.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Advance scheduling and deconfliction of security tasks lowers the chance that overlapping operations will produce deadlock conditions on shared resources.