External risk intelligence

SQL Anywhere Monitor Baked Credentials Vulnerability Enables Code Execution

CVE advisorySeverity: CRITICAL (CVSS 10.0)

CVE-2025-42890

SQL Anywhere Monitor is a database management and monitoring tool. While such tools are often deployed within internal, restricted networks for administrative purposes, they can be exposed to the network depending on the organization's configuration. The potential for internet reachability exists in some deployment scenarios, though public exposure is not the default or intended design for such monitoring components.

Halo Surface Signal: 3 out of 5 — possibly public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A vulnerability in SQL Anywhere Monitor has been identified, potentially allowing unauthorized users access to system resources or functionality, and in some cases, enabling arbitrary code execution. This could significantly impact the confidentiality, integrity, and availability of affected systems.

Hardcoded credentials allow unauthorized access and code execution.
Critical flaw impacts system confidentiality, integrity, and availability.
Confirm relevance and understand potential exposure.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending specially crafted requests to the SQL Anywhere Monitor, which has hardcoded credentials. This exposure allows unauthorized access to the monitor's resources or functionality. Successful exploitation could lead to the execution of arbitrary code on the affected system, potentially compromising its confidentiality, integrity, and availability.

No special entry conditions.
Network requests trigger vulnerability.
Arbitrary code execution risk.

Live Threat

Current exploitation, exposure, and threat context

Baked-in credentials in the SQL Anywhere Monitor could expose system resources and functionality to unintended users, potentially allowing attackers to execute arbitrary code. This could impact the confidentiality, integrity, and availability of the affected system.

System resources and functionality.
Unintended users may gain access.
High impact on confidentiality, integrity, availability.

Operational Fix

Recommended remediation, mitigation, and detection steps

Organizations must first identify where SQL Anywhere Monitor is deployed and assess its reachability and criticality to determine the appropriate response. This involves pinpointing the asset owners, coordinating with vendor management if necessary, and then planning remediation based on the identified risk.

Application owners should investigate and triage.
Verify network exposure and asset 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 SQL Anywhere Monitor?

SQL Anywhere Monitor is a specialized tool used to manage and oversee database environments. It functions as an administrative component that provides visibility into database health and performance. While it is typically deployed within internal, restricted networks to support database operations, it acts as a centralized point for monitoring system resources.

What does CWE-798 mean for CVE-2025-42890?

CWE-798 refers to the use of hardcoded credentials. In the context of CVE-2025-42890, this means the software contains sensitive authentication information baked directly into its code. Because this information is embedded rather than managed securely, unauthorized users can leverage these fixed credentials to bypass standard authentication, potentially gaining enough control to execute arbitrary commands on the underlying system.

How can an attacker trigger this vulnerability?

An attacker triggers this flaw by sending specially crafted network requests to the affected SQL Anywhere Monitor component. Because the credentials are hardcoded and not protected by standard access controls, the application accepts these unauthorized interactions as legitimate. Simply interacting with the service is sufficient; there are no complex preconditions or specific user actions required to activate the vulnerability.

Is my system at risk if it is not internet-facing?

Halo Surface Signal notes that while SQL Anywhere Monitor is designed for internal use, its exposure depends heavily on your specific network configuration. Even if not directly on the public internet, any system that can reach the monitor over the network could theoretically trigger this issue. You should verify if your deployment is accessible from broader segments of your internal network, not just the public-facing edge.

What should I do first to address this security flaw?

Begin by creating an inventory to locate every instance of SQL Anywhere Monitor within your infrastructure. Once you have identified these assets, assess their specific network reachability and determine who owns or manages each instance. Coordinate with your technical teams to prioritize these assets based on their criticality, then follow official vendor guidance to apply necessary security updates or configuration changes.

References

me.sap.com/notes/3666261

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.