CVE-2021-43414
Last modified
CVE-2021-43414 is a high-severity vulnerability rated 7/10 on the CVSS scale. An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Hurd | < 0.9.20210404-9 |
References
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlExploit, Mailing List, Vendor Advisory
- https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.htmlExploit, Mailing List, Vendor 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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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