CVE-2021-38196
Last modified
CVE-2021-38196 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.57% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Better-Macro Project | Better-Macro | <= 2021-07-22 |
References
- https://rustsec.org/advisories/RUSTSEC-2021-0077.htmlExploit, Issue Tracking, Patch, Third Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2021-0077.htmlExploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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