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Case File

CVE-2021-38196

CRITICAL · CVSS 9.8 EPSS 2.57%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-08 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-38196
Severity
CRITICAL
CVSS
9.8
EPSS
2.57%

Original NVD Description

An issue was discovered in the better-macro crate through 2021-07-22 for Rust. It intentionally demonstrates that remote attackers can execute arbitrary code via proc-macros, and otherwise has no legitimate purpose.