Privilege Escalation Vulnerability in GNU Inetutils Telnetd
CVE-2026-28372
7.4HIGH
What is CVE-2026-28372?
The telnetd component of GNU Inetutils versions prior to 2.7 has a privilege escalation vulnerability that allows unprivileged local users to exploit the systemd service credentials support. By creating a malicious login.noauth file, attackers can manipulate the CREDENTIALS_DIRECTORY environment variable, potentially gaining elevated privileges on the system.
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Affected Version(s)
inetutils 0 <= 2.7
References
CVSS V3.1
Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved