HIGHCVSS v3.1 7.4Vulnerability

CVE-2021-48018

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.

Properties

Severity
HIGH
Nvd fetched at
2026-10-23T02:14:06.697318+00:00
Epss score
0.00321
Cvss severity
HIGH
Cvss score
7.4
Retrieved at
2026-10-23T02:20:30+00:00
Last source
NVD
Score
7.4
Cvss version
3.1
Cve id
CVE-2021-48018
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
First seen by Signal
2026-10-21T22:34:38+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Published at
2026-10-21T01:17:18.983
Last modified
2026-10-22T17:00:33.203
Epss percentile
0.23812

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Out-of-bounds Write

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CVE-2021-48018 (CVSS v3.1 7.4) — Ninja Signal Threat Intelligence | Ninja Signal