External risk intelligence

ZKTeco BioAccess IVS SQL Injection Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2023-38954

ZKTeco BioAccess IVS is a security management platform for access control and time attendance. These systems are commonly deployed as web-based applications intended for management and monitoring, and are frequently exposed to internal or external networks to facilitate administrative access or remote management, making the interface a likely target for network-based exposure.

SQL Injection

Zkteco Bioaccess Ivs

3.3.1

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 was identified in ZKTeco BioAccess IVS, a system used for access control and time attendance. This issue allows for unauthorized control over the system, potentially impacting security operations. The main concern is to confirm if this specific version is in use and assess any exposure.

Allows unauthorized system control.
Critical flaw affects security management.
Confirm relevance and assess exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending specially crafted data over the network to the ZKTeco BioAccess IVS application. This could allow them to manipulate database queries, potentially leading to unauthorized access to sensitive information, modification of data, or complete compromise of the system.

Network access required.
SQL injection triggers vulnerability.
Unauthorized data access and system compromise.

Live Threat

Current exploitation, exposure, and threat context

The ZKTeco BioAccess IVS system, when running version 3.3.1, is susceptible to SQL injection. This vulnerability could allow an attacker to remotely access, modify, or delete sensitive information stored within the system's database.

System database at risk.
Remote, unauthenticated network access.
Unauthorized data access or modification.

Operational Fix

Recommended remediation, mitigation, and detection steps

This SQL injection vulnerability in ZKTeco BioAccess IVS affects systems managing access control and time attendance, often deployed as web applications. Ownership likely falls to the application or platform team responsible for the BioAccess IVS deployment, with coordination from the network and security teams to confirm external reachability and business criticality. The first practical step is to identify all instances of the affected software, determine their exposure, and identify the accountable owner to prioritize remediation planning based on risk.

Application or platform team owns remediation.
Verify external reachability and business criticality.
Plan remediation based on identified risk.

Supplementary metadata

CVSS vector

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Frequently asked questions

What is ZKTeco BioAccess IVS?

ZKTeco BioAccess IVS is a centralized security management software platform. Organizations use it to oversee physical access control points, such as door locks, and manage employee time and attendance records. It typically operates as a web-based application, allowing administrators to monitor system activity and manage security credentials across a facility from a central dashboard.

What does SQL injection mean for CVE-2023-38954?

This vulnerability is classified as CWE-89, or Improper Neutralization of Special Elements used in an SQL Command. In plain English, the software fails to properly filter the data a user inputs, allowing an attacker to inject their own database commands. Because the application blindly runs these malicious instructions, an attacker can trick the system into revealing private data, changing records, or bypassing security controls entirely.

How does an attacker trigger this vulnerability?

An attacker triggers this flaw by sending specially crafted network requests to the BioAccess IVS application. The bug does not require the attacker to have a pre-existing account or login credentials, meaning it can be triggered remotely. Importantly, this only affects the database interaction layer; simply visiting the login page without sending malicious query strings does not trigger the vulnerability.

Do I need to worry if my system is internal?

Yes, you should still evaluate the risk. According to Halo Surface Signal, while these systems are often found on external networks to allow remote management, they are also commonly deployed on internal networks. Even if not directly accessible from the internet, any user or compromised device on your local network could potentially reach the interface and exploit this flaw.

What are the first steps to address CVE-2023-38954?

Begin by creating a comprehensive inventory to locate every instance of BioAccess IVS version 3.3.1 running in your environment. Once identified, work with the team responsible for that specific platform to confirm if the application is reachable over the network. Use this information to assess the business impact and prioritize a remediation plan, such as applying vendor-supplied updates or restricting network access to the affected management interface.

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.