Vyper is a pythonic Smart Contract Language for the Ethereum virtual machine. Prior to version 0.3.0, default functions don't respect nonreentrancy keys and the lock isn't emitted. No vulnerable production contracts were found. Additionally, using a lock on a default function is a very sparsely used pattern. As such, the impact is low. Version 0.3.0 contains a patch for the issue.
CVE-2024-32648
This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 43% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EPSS
- 33.5%
- KEV
- Not listed
Published
April 25, 2024
Last Modified
January 2, 2025
References (6)
- security-advisories@githubhttps://github.com/vyperlang/vyper/commit/93287e5ac184b53b395c907d40701f721daf8177
- security-advisories@githubhttps://github.com/vyperlang/vyper/issues/2455
- security-advisories@githubhttps://github.com/vyperlang/vyper/security/advisories/GHSA-m2v9-w374-5hj9
- af854a3a-2127-422b-91ae-364da2661108https://github.com/vyperlang/vyper/commit/93287e5ac184b53b395c907d40701f721daf8177
- af854a3a-2127-422b-91ae-364da2661108https://github.com/vyperlang/vyper/issues/2455
- af854a3a-2127-422b-91ae-364da2661108https://github.com/vyperlang/vyper/security/advisories/GHSA-m2v9-w374-5hj9
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| vyper | 0.1.0b1 ... v0.0.4 (67 versions) | 0.3.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 49× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:26 UTCEPSS rescore
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- 2026-05-24 03:56 UTCEG score recompute
Frequently asked(5)
What is CVE-2024-32648?
When was CVE-2024-32648 disclosed?
Is CVE-2024-32648 actively exploited?
What is the CVSS score of CVE-2024-32648?
How do I remediate CVE-2024-32648?
Dependency Blast Radius
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