Auth bypass in Gnu Hurd
CVE-2021-43414
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.
Vulnerability class: Broken Authentication
EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Hurd
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Mailing List, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-43414?
- CVE-2021-43414 is a high-severity vulnerability in Gnu Hurd, classified under Improper Authentication. CVSS score: 7.0/10. Published 2021-11-07.
- How severe is CVE-2021-43414?
- High severity. CVSS v3 base score is 7.0 out of 10.