External risk intelligence

YonBIP SQL Injection Vulnerability via AttendScriptController

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-51927

YonBIP is a business management and enterprise resource planning software suite. Such platforms are commonly deployed as web-based applications intended for remote access by employees or external stakeholders, making the web controller interface typically reachable from the network edge or via public-facing portals.

SQL Injection

Yonyou Yonbip

3_23.05

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

A critical vulnerability has been identified in YonBIP, a business management software, allowing attackers to potentially execute commands and access sensitive information. The issue stems from a SQL injection flaw within a specific controller method. The main concern is confirming if our specific version is exposed and understanding the potential exposure.

A code flaw allows unauthorized access and control.
It affects business management software, requiring attention.
Confirm relevance and assess potential exposure risks.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by sending a specially crafted request to the `runScript()` method in the `AttendScriptController`. This method is exposed through the application's network interface, meaning an attacker could potentially trigger it without needing any prior access or authentication. If successful, the SQL injection vulnerability could allow an attacker to manipulate the application's database.

Unauthenticated network access required.
Triggered via a vulnerable web controller method.
Enables database manipulation.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to execute arbitrary SQL commands, potentially leading to unauthorized access to or modification of sensitive business data, depending on the application's configuration and permissions.

Database integrity and confidentiality.
Remote unauthenticated SQL injection.
Unauthorized access to business data.

Operational Fix

Recommended remediation, mitigation, and detection steps

Given the SQL injection vulnerability in YonBIP, application owners and infrastructure teams are likely responsible for addressing this issue. The initial practical step is to identify all instances of YonBIP, confirm their network exposure and business criticality, and then assign an accountable owner to plan remediation based on the assessed risk.

Application and infrastructure teams own remediation.
Verify network exposure and business criticality.
Plan remediation based on risk assessment.

Supplementary metadata

CVSS vector

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Frequently asked questions

What is YonBIP?

YonBIP is an enterprise-grade business management and resource planning suite. It is designed to handle complex organizational data, often serving as a centralized platform for employee management and operations. Because it manages sensitive business information, it is frequently deployed as a web-based application to support remote connectivity for staff and partners.

What does SQL injection mean for CVE-2023-51927?

This vulnerability is classified as CWE-89, or Improper Neutralization of Special Elements used in an SQL Command. In plain English, the application fails to properly filter user-provided input before using it in a database query. This allows an attacker to manipulate those queries to bypass security controls, potentially viewing, modifying, or deleting records within the underlying database.

How is this vulnerability triggered?

The flaw is triggered when a specially crafted request is sent to the AttendScriptController's runScript() method. Because this specific component is accessible over the network, it does not require an attacker to have prior authentication or a valid user account to interact with the vulnerable code. Simply accessing this endpoint with the malicious input is sufficient to initiate the attack.

Is my YonBIP instance likely to be reachable?

Halo Surface Signal analysis indicates that YonBIP platforms are typically deployed as web-based applications intended for broad access. This often places the web controller interface at the network edge or behind public-facing portals. Consequently, if your instance is accessible via the internet or connected to a wide network segment, it faces a higher probability of being reachable by unauthorized parties.

What should I do if I run YonBIP?

First, conduct an internal inventory to locate all active YonBIP installations across your environment. Once identified, evaluate the network accessibility and business criticality of each instance to prioritize your response. Assign a clear owner to oversee the risk assessment and coordinate the necessary remediation steps to protect your database integrity.

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.