Vulnerability in Gnu Hurd
CVE-2021-43413
An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.
EPSS: 0.019 (77.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Gnu Hurd
- N/a — versions n/a
References
- cve@mitre.org (Exploit, Mailing List, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (Mailing List, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Mailing List, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-43413?
- CVE-2021-43413 is a high-severity vulnerability in Gnu Hurd. CVSS score: 8.8/10. Published 2021-11-07.
- How severe is CVE-2021-43413?
- High severity. CVSS v3 base score is 8.8 out of 10.