Auth bypass in Vyperlang Vyper
CVE-2023-39363
Vyper is a Pythonic Smart Contract Language for the Ethereum Virtual Machine (EVM). In versions 0.2.15, 0.2.16 and 0.3.0, named re-entrancy locks are allocated incorrectly. Each function using a named re-entrancy lock gets a unique lock re…
Vulnerability class: Broken Access Control
EPSS: 0.007 (49.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Vyperlang Vyper — versions 0.3.0, = 0.2.15, 0.2.16
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2023-39363?
- CVE-2023-39363 is a medium-severity vulnerability in Vyperlang Vyper, classified under Incorrect Authorization. CVSS score: 5.9/10. Published 2023-08-07.
- How severe is CVE-2023-39363?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2023-39363 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.