CVE-2021-3121
High
Published: 11 January 2021
Published
11 January 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS Score
0.0014
33.2th percentile
Risk Priority
17
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-3121 is a high-severity Improper Validation of Array Index (CWE-129) vulnerability in Hashicorp Consul. Its CVSS base score is 8.6 (High).
Operationally, ranked at the 33.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-1401
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
golang
protobuf
≤ 1.3.2
hashicorp
consul
≤ 1.8.15 · ≤ 1.8.15 · 1.9.0 — 1.9.9
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.