CVE-2026-24061 - Vulnerability Details - OpenCVE

telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact total

Vendors	Products
Gnu	Inetutils

No data.

No data.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2026/01/22/1
https://www.gnu.org/software/inetutils/
https://www.openwall.com/lists/oss-security/2026/01/20/2
https://www.openwall.com/lists/oss-security/2026/01/20/2#:~:text=root@...a%3A~%20USER='
https://www.openwall.com/lists/oss-security/2026/01/20/8

History

Thu, 22 Jan 2026 23:00:00 +0000

Type	Values Removed	Values Added
References		http://www.openwall.com/lists/oss-security/2026/01/22/1 https://www.openwall.com/lists/oss-security/2026/01/20/2#:~:text=root@...a%3A~%20USER='
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 21 Jan 2026 07:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Gnu Gnu inetutils
CPEs		cpe:2.3:a:gnu:inetutils::::::::
Vendors & Products		Gnu Gnu inetutils

Wed, 21 Jan 2026 07:00:00 +0000

Type	Values Removed	Values Added
Description		telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
Weaknesses		CWE-88
References		https://www.gnu.org/software/inetutils/ https://www.openwall.com/lists/oss-security/2026/01/20/2 https://www.openwall.com/lists/oss-security/2026/01/20/8
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-01-21T06:42:17.134Z

Updated: 2026-01-23T04:55:16.782Z

Reserved: 2026-01-21T06:42:16.865Z

Link: CVE-2026-24061

Vulnrichment

Updated: 2026-01-22T19:07:28.672Z

NVD

Status : Received

Published: 2026-01-21T07:16:01.597

Modified: 2026-01-22T21:15:50.227

Link: CVE-2026-24061

Redhat

No data.

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