CVE-2021-46704

CRITICAL NUCLEI

GenieACS <1.2.8 - Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2021-46704. PoCs published by MithatGuner, Erenlancaster. A Nuclei detection template is also available.

AI-analyzed exploit summary This PoC demonstrates a command injection vulnerability in GenieACS via the ping host argument, allowing unauthenticated remote code execution. It includes steps to validate the vulnerability and execute a reverse shell payload.

Description

In GenieACS 1.2.x before 1.2.8, the UI interface API is vulnerable to unauthenticated OS command injection via the ping host argument (lib/ui/api.ts and lib/ping.ts). The vulnerability arises from insufficient input validation combined with a missing authorization check.

Exploits (2)

nomisec WORKING POC 2 stars
by MithatGuner · poc
https://github.com/MithatGuner/CVE-2021-46704-POC

This PoC demonstrates a command injection vulnerability in GenieACS via the ping host argument, allowing unauthenticated remote code execution. It includes steps to validate the vulnerability and execute a reverse shell payload.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: GenieACS versions >=1.2.0 <1.2.8
No auth needed
Prerequisites: Network access to the target GenieACS instance · Target running vulnerable GenieACS version
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec SCANNER
by Erenlancaster · poc
https://github.com/Erenlancaster/CVE-2021-46704

This repository contains a Nuclei template for detecting CVE-2021-46704, an OS command injection vulnerability in GenieACS. It does not include exploit code but provides references and a detection method.

Classification
Scanner 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: GenieACS
No auth needed
Prerequisites: Access to the GenieACS interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

GenieACS => 1.2.8 - OS Command Injection
CRITICALVERIFIEDby DhiyaneshDK
Shodan: http.favicon.hash:-2098066288 || http.html:"genieacs"
FOFA: body="genieacs" || icon_hash=-2098066288

References (2)

Core 2
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/genieacs/genieacs/releases/tag/v1.2.8

Scores

CVSS v3 9.8
EPSS 0.8693
EPSS Percentile 99.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (2)
genieacs/genieacs 1.2.0 - 1.2.8
npm/genieacs 0 - 1.2.8npm
Published Mar 06, 2022
Tracked Since Feb 18, 2026