CVE-2021-38196
CRITICALbetter-macro < 2021-07-22 - Remote Code Execution via Proc-Macro
Title source: llmDescription
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.
References (2)
Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://rustsec.org/advisories/RUSTSEC-2021-0077.html
Third Party Advisory x_refsource_misc
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/better-macro/RUSTSEC-2021-0077.md
Scores
CVSS v3
9.8
EPSS
0.0257
EPSS Percentile
83.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-94
Status
published
Products (2)
better-macro_project/better-macro
< 2021-07-22
crates.io/better-macro
0crates.io
Published
Aug 08, 2021
Tracked Since
Feb 18, 2026