CVE-2021-48018
Last modified
CVE-2021-48018 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Vyper from 0.2.13 before 0.2.15 allocates storage slots for @nonreentrant reentrancy locks at the same locations as contract storage variables. When a function using @nonreentrant is called, setting the lock overwrites the overlapping storage variable, corrupting contract state and breaking the contract's intended logic.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
Vyper from 0.2.13 before 0.2.15 allocates storage slots for @nonreentrant reentrancy locks at the same locations as contract storage variables. When a function using @nonreentrant is called, setting the lock overwrites the overlapping storage variable, corrupting contract state and breaking the contract's intended logic.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| vyperlang | vyper | >= 0.2.13, < 0.2.15 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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