---
cve: "CVE-2026-24061"
severity: "CRITICAL"
cvss: 9.8
epss: "97.9%"
vendor: "GNU"
kev: true
exploited: true
published: "2026-01-21 06:42:17"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-04T07:03:08+02:00"
---

# CVE-2026-24061

> 9.8 CRITICAL · ⚠️ CISA KEV (221 Tage) · 🔓 Exploited

## Beschreibung

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

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Exploit-Evidenz

- [EDB-52524 — GNU InetUtils 2.6 - Telnetd Remote Privilege Escalation](https://www.exploit-db.com/exploits/52524)

## Referenzen

- <https://www.openwall.com/lists/oss-security/2026/01/20/2>
- <https://www.openwall.com/lists/oss-security/2026/01/20/8>
- <https://www.gnu.org/software/inetutils/>
- <https://lists.gnu.org/archive/html/bug-inetutils/2026-01/msg00004.html>
- <https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b>
- <https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc>
- <https://www.vicarius.io/vsociety/posts/cve-2026-24061-detection-script-remote-authentication-bypass-in-gnu-inetutils-package>
- <https://www.vicarius.io/vsociety/posts/cve-2026-24061-mitigation-script-remote-authentication-bypass-in-gnu-inetutils-package>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-24061) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_