External risk intelligence

jizhiCMS 2.5 File Upload Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2024-32161

jizhiCMS is a content management system designed to host websites and web applications. As a web-based platform, it is commonly deployed as an internet-facing application, making its file upload functionality directly reachable from the public internet in standard deployment patterns.

Unrestricted File Upload

Jizhicms

2.5.0

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

This advisory concerns a critical vulnerability in jizhiCMS, a content management system. The issue involves a file upload flaw that could allow unauthorized access and manipulation of the system. The primary concern is to confirm if this technology is in use and assess any potential exposure.

Allows unauthorized file uploads.
Affects public-facing website content.
Confirm relevance and assess potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by uploading a malicious file through the content management system's exposed file upload feature. This could lead to the execution of arbitrary code on the server.

No authentication required to trigger.
Uploading a crafted file triggers vulnerability.
Allows remote code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an attacker to upload arbitrary files to the jizhiCMS 2.5 system. This could potentially lead to the execution of malicious code, altering system behavior, or compromising sensitive information.

Arbitrary file uploads to the system.
Via network, without authentication.
System compromise or data exposure.

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability in jizhiCMS affects web application owners and platform teams responsible for its deployment and maintenance. The immediate priority is to locate all instances of jizhiCMS, determine their exposure and criticality, identify the accountable system owners, and then plan remediation efforts based on the assessed risk.

Establish ownership and accountability.
Verify exposure and business criticality.
Coordinate remediation or mitigation.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Free EASM Trial See How Signal Works

Frequently asked questions

What is jizhiCMS?

jizhiCMS is a content management system used to build and maintain websites and web applications. It provides the framework for managing site content, templates, and data. Because it handles various site assets, it includes built-in features for uploading files to the server, which is the specific component affected by this security concern.

What does the file upload vulnerability in CVE-2024-32161 mean?

This vulnerability is classified as CWE-434, which refers to Unrestricted Upload of File with Dangerous Type. In plain English, the system does not properly verify or restrict the types of files users can upload. An attacker can exploit this weakness by submitting malicious files that the server accepts and stores, potentially allowing them to run unauthorized code on the underlying web server.

How can an attacker trigger this file upload flaw?

The flaw is triggered by uploading a specially crafted file through the system's upload interface. A key aspect of this vulnerability is that it does not require an attacker to have a valid user account or administrative credentials to perform the upload. Simply accessing the upload function remotely is sufficient to attempt the malicious upload; the system does not differentiate between authorized users and unauthorized remote attackers.

Is my jizhiCMS instance at risk?

Your risk depends on how your instance is deployed. According to Halo Surface Signal, jizhiCMS is designed for web hosting and is commonly configured as an internet-facing application. If your instance is reachable from the public internet, the file upload functionality is directly exposed to remote actors. Instances hosted entirely on private, internal networks without public exposure have a significantly reduced risk profile compared to public-facing websites.

What are the first steps to address this CVE?

Your primary goal is to identify all active jizhiCMS instances within your environment and confirm their deployment location. Once identified, map these systems to their respective owners to coordinate a security review. Assess the criticality of each site to the business and determine if the file upload functionality can be restricted or monitored until an official update is applied to mitigate the risk of arbitrary code execution.

References

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.