Vulnerability in Vyperlang Vyper
CVE-2023-42441
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 in version 0.3.10. As a workaround, ensure the lock name is a non-empty string.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (42.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Vyperlang Vyper — versions >= 0.2.9, < 0.3.10
Weakness classification (CWE)
References
- github.com/vyperlang/vyper/security/advisories/GHSA-3hg2-r75x-g69m (Exploit, Patch, Vendor Advisory)
- github.com/vyperlang/vyper/pull/3605 (Patch, Issue Tracking)
- github.com/vyperlang/vyper/commit/0b740280c1e3c5528a20d47b29831948ddcc6d83 (Patch)
Frequently asked questions
- What is CVE-2023-42441?
- CVE-2023-42441 is a medium-severity vulnerability in Vyperlang Vyper, classified under CWE-833. CVSS score: 5.3/10. Published 2023-09-18.
- How severe is CVE-2023-42441?
- Medium severity. CVSS v3 base score is 5.3 out of 10.