External risk intelligence

YonBIP ServiceDispatcherServlet Arbitrary Code Execution

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-51906

The product is a business and information platform (YonBIP) which, in common enterprise deployments, acts as an internet-accessible web application, portal, or API endpoint for users, partners, or employees, leading to frequent exposure on the public internet.

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

This vulnerability affects the yonyou YonBIP platform, specifically a component that handles resource management. An unauthenticated remote attacker could exploit this by sending a specially crafted script, potentially leading to the execution of arbitrary code. The main concern is confirming whether this specific version is in use and identifying any potential exposure.

Unauthenticated code execution in business platform.
Confirms platform relevance and potential exposure.
Verify usage and assess impact.

Attack Path

How an attacker could exploit the issue

An attacker can reach a vulnerable component within YonBIP by sending a specially crafted script over the network. This script targets the ServiceDispatcherServlet's `IResourceManager` component, which is exposed externally. Successful interaction with this component could allow an attacker to execute arbitrary code on the system.

No authentication or user interaction needed.
Triggering the vulnerability involves sending a script.
Allows arbitrary code execution.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow a remote attacker to execute arbitrary code on affected systems without any user interaction. This is possible when the vulnerable component is accessible over the network and a specially crafted script is sent to it.

System code execution.
Via crafted script over network.
Compromise of system integrity.

Operational Fix

Recommended remediation, mitigation, and detection steps

The application owner for yonyou YonBIP is responsible for addressing this critical vulnerability. The immediate first step is to identify all instances of the affected product, determine their business criticality and network exposure, and confirm the specific system owner before planning any remediation actions.

Application owners are responsible.
Verify network exposure and criticality.
Plan remediation based on risk.

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.

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Frequently asked questions

What is yonyou YonBIP?

yonyou YonBIP is an enterprise business and information platform. Organizations use it as a centralized system to manage core business processes, often acting as a portal or API for employees and partners to interact with company data.

What does CVE-2023-51906 mean for system security?

This CVE represents an arbitrary code execution vulnerability. It essentially means that the software has a weakness where it fails to properly validate input, allowing an unauthorized person to send a malicious command that the server executes as if it were a legitimate instruction.

How is this vulnerability triggered?

An attacker triggers this by sending a specially crafted script to the ServiceDispatcherServlet component. The flaw does not require any existing user account or interaction; however, it only occurs when the specific resource management component receives this malicious input, not through standard application usage.

Why is this CVE considered relevant for my network?

According to Halo Surface Signal, YonBIP is frequently deployed as an internet-accessible web application. Because this component is often exposed to the public internet to support remote business functions, attackers can reach the vulnerable service from outside your private network.

Do I need to take action if I use YonBIP?

Yes. Your first step is to confirm if your organization runs version 3_23.05 of YonBIP. If you find it, document which specific systems are using this version, evaluate their network connectivity, and coordinate with the internal system owners to plan necessary updates or protective controls.

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.