External risk intelligence

Jeecg-boot SQL Injection Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2022-45207

Jeecg-boot is a rapid development platform designed to build enterprise web applications. These applications are commonly deployed as internet-facing web portals or API services, making the underlying components frequently exposed to network traffic in standard deployment scenarios.

SQL Injection

Jeecg Boot

3.4.3

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 in the Jeecg-boot platform could allow unauthorized access and modification of sensitive data by exploiting a SQL injection flaw. This issue arises from how the platform handles empty strings in a specific component. The main concern is confirming relevance and exposure within our deployed Jeecg-boot instances.

Unchecked input allows database manipulation.
Critical flaw impacts data integrity and access.
Confirm Jeecg-boot usage and exposure immediately.

Attack Path

How an attacker could exploit the issue

An attacker can reach this vulnerability by sending unauthenticated requests over the network to a vulnerable system. The `updateNullByEmptyString` component within the system is susceptible to SQL injection, which could allow an attacker to manipulate database queries. If successful, this could lead to unauthorized access, modification, or deletion of data.

No authentication required.
SQL injection via specific component.
Data compromise and system control.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to inject malicious SQL commands into the application when the `updateNullByEmptyString` component is used. This could potentially lead to unauthorized access, modification, or deletion of sensitive data stored within the application's database.

Application database is at risk.
Malicious SQL commands can be injected.
Sensitive data could be compromised.

Operational Fix

Recommended remediation, mitigation, and detection steps

The Jeecg-boot platform's SQL injection vulnerability requires a coordinated response. Application owners are primarily responsible for identifying instances of Jeecg-boot, confirming business criticality and network exposure, and then leading remediation efforts. Infrastructure and security teams should support by providing network visibility and access for remediation activities, while vendor management should be engaged if third-party dependencies are identified. The immediate priority is to locate all deployments, assess their risk, and assign ownership for the fix.

Application owners should lead remediation.
Verify network reachability and criticality first.
Plan and execute 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 Jeecg-boot?

Jeecg-boot is a rapid development platform used by organizations to build enterprise-grade web applications. It provides pre-built modules and tools that accelerate software development, often serving as the foundation for internal business portals or external-facing API services.

How does this SQL injection vulnerability work in CVE-2022-45207?

This vulnerability is classified as CWE-89, which occurs when an application improperly handles user input within database queries. In this specific case, the `updateNullByEmptyString` component fails to properly sanitize input, allowing an attacker to inject malicious SQL commands. These commands are then executed by the underlying database, potentially granting unauthorized access to sensitive information or allowing the modification of data.

Can any network request trigger this vulnerability?

The vulnerability is triggered when a specific, malformed request is sent to the `updateNullByEmptyString` component. It does not require prior authentication, meaning an attacker does not need a valid user account to attempt the exploit. However, the flaw is limited to interactions with this specific component; standard application traffic that does not engage this function remains unaffected by this particular path.

Why should I care about this CVE if I run Jeecg-boot internally?

Halo Surface Signal notes that Jeecg-boot is frequently deployed as an internet-facing portal, which increases the likelihood of attack. Even for internally hosted instances, any user or malicious actor with network access to the application can reach the vulnerable component. You should assess whether your specific deployment is reachable over your network and prioritize securing those instances that are accessible to unauthorized users.

What is the first step I should take to address this?

Start by conducting an inventory to locate all instances of Jeecg-boot v3.4.3 within your environment. Once identified, evaluate the business criticality and network exposure of each instance to determine the level of risk. Work with your application owners to confirm the use of the affected component and prioritize remediation efforts, such as applying vendor-provided patches or implementing temporary configuration changes if official updates are pending.

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.