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CVE-2026-28372

Quick assessment

Affected
GNU inetutils
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GNU Inetutils是美国GNU社区的一组常见的网络程序。 GNU Inetutils 2.7及之前版本存在安全漏洞，该漏洞源于telnetd存在缺陷，可能导致权限提升。

CVSS 7.4 · High EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-28372

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
telnetd in GNU inetutils through 2.7 allows privilege escalation that can be exploited by abusing systemd service credentials support added to the login(1) implementation of util-linux in release 2.40. This is related to client control over the CREDENTIALS_DIRECTORY environment variable, and requires an unprivileged local user to create a login.noauth file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
从非可信控制范围包含功能例程
Source: CVE Program / CVE List V5
Vulnerability Title
GNU Inetutils 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GNU Inetutils是美国GNU社区的一组常见的网络程序。 GNU Inetutils 2.7及之前版本存在安全漏洞，该漏洞源于telnetd存在缺陷，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GNU inetutils 0 ~ 2.7 -

II. Public POCs for CVE-2026-28372

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III. Intelligence Information for CVE-2026-28372

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IV. Related Vulnerabilities

Same product: inetutils
Same vendor: GNU
Same weakness: CWE-829

V. Comments for CVE-2026-28372

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