MEDIUMCVSS v3.1 5.9Vulnerability

CVE-2020-37287

Vyper before 0.2.6 contains a call stack corruption vulnerability that causes incorrect function outputs when complex types with non-base members are passed as arguments. Contracts passing multi-dimensional arrays or structs to internal or external functions receive corrupted values because the compiler assumed each subtype size is 32.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Epss score
0.00251
Cvss score
5.9
Cvss severity
MEDIUM
Retrieved at
2026-10-22T22:17:31+00:00
Score
5.9
Last source
FIRST EPSS
Cvss version
3.1
Cve id
CVE-2020-37287
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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:N
Published at
2026-10-21T01:17:18.540
Last modified
2026-10-22T17:00:33.203
Epss percentile
0.15668

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2020-37287 (CVSS v3.1 5.9) — Ninja Signal Threat Intelligence | Ninja Signal