Vulnerability Description
telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Inetutils | >= 1.9.3, <= 2.7 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362ePatch
- https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b2Patch
- https://lists.gnu.org/archive/html/bug-inetutils/2026-01/msg00004.htmlMitigationVendor Advisory
- https://www.gnu.org/software/inetutils/Product
- https://www.openwall.com/lists/oss-security/2026/01/20/2Mailing List
- https://www.openwall.com/lists/oss-security/2026/01/20/8Mailing List
- https://www.vicarius.io/vsociety/posts/cve-2026-24061-detection-script-remote-auThird Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2026-24061-mitigation-script-remote-aMitigationThird Party Advisory
- http://www.openwall.com/lists/oss-security/2026/01/22/1Mailing List
- https://lists.debian.org/debian-lts-announce/2026/01/msg00025.htmlMailing ListThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-US Government Resource
- https://www.labs.greynoise.io/grimoire/2026-01-22-f-around-and-find-out-18-hoursExploitThird Party Advisory
- https://www.openwall.com/lists/oss-security/2026/01/20/2#:~:[email protected]%3A~%2Mailing ListThird Party Advisory
FAQ
What is CVE-2026-24061?
CVE-2026-24061 is a vulnerability with a CVSS score of 9.8 (CRITICAL). telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
How severe is CVE-2026-24061?
CVE-2026-24061 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-24061?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Inetutils, Debian Debian Linux.