CVE-2024-39844

CRITICAL

ZNC < 1.9.1 - Remote Code Execution via modtcl KICK Command

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2024-39844. PoCs published by ph1ns.

AI-analyzed exploit summary This repository contains a functional HexChat plugin that exploits CVE-2024-39844, a remote code execution vulnerability in ZNC's modtcl module (versions < 1.9.1). The exploit leverages a command injection flaw by sending a maliciously crafted KICK command to execute arbitrary commands on the target ZNC server.

Description

In ZNC before 1.9.1, remote code execution can occur in modtcl via a KICK.

Exploits (1)

nomisec WORKING POC 1 stars
by ph1ns · poc
https://github.com/ph1ns/CVE-2024-39844

This repository contains a functional HexChat plugin that exploits CVE-2024-39844, a remote code execution vulnerability in ZNC's modtcl module (versions < 1.9.1). The exploit leverages a command injection flaw by sending a maliciously crafted KICK command to execute arbitrary commands on the target ZNC server.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: ZNC < 1.9.1 (modtcl module)
Auth required
Prerequisites: Access to a vulnerable ZNC server with modtcl enabled · IRC client (HexChat) with the ability to send KICK commands
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (5)

Core 5

Scores

CVSS v3 9.8
EPSS 0.0386
EPSS Percentile 88.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-94
Status published
Published Jul 03, 2024
Tracked Since Feb 18, 2026