CVE-2021-3121

—

CVSS 3.1

8.6 high

EPSS

3%p88

Published

Jan 11, 2021 (Jan 11, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue.

Vendors: golang hashicorp
Products: protobuf, consul
Weakness: CWE-129
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

NVD CVE.org GitHub PoCs EPSS (3.5%)

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