Appsecure logo

CVE-2022-23221: Critical Vulnerability in H2 Database Console

CVE-2022-23221 is a critical vulnerability in H2 Database Console that allows remote code execution. Organizations using affected versions should prioritize patching immediately to mitigate risks.

CRITICALCVSS 9.8 · Published January 19, 2022

Not a customer? See how AppSecure simulates real world attacks to protect your infrastructure.

Speak to Experts

CVE-2022-23221 is a critical remote code execution vulnerability affecting the H2 Database Console prior to version 2.1.210. This vulnerability allows remote attackers to execute arbitrary code via a specially crafted JDBC URL. The potential impact is severe, as it can lead to unauthorized system access and data manipulation.

The CVSS score for this vulnerability is 9.8, indicating a critical severity level. The low attack complexity and no required privileges make it particularly urgent for organizations to address this vulnerability. Given the potential for widespread exploitation and the critical nature of the systems involved, organizations should prioritize patching immediately.

As of now, there are no known exploits available in the wild, but the vulnerability's severity and the ease of exploitation warrant immediate attention. Organizations must evaluate their exposure to this vulnerability and take necessary remediation steps without delay.

The urgency is heightened due to the high confidentiality, integrity, and availability impacts associated with this vulnerability. Organizations using H2 Database Console are advised to verify their versions and apply the necessary updates to mitigate any risks.

Vulnerability Details

The H2 Console versions prior to 2.1.210 are specifically vulnerable to this flaw, which allows attackers to execute arbitrary code through a crafted jdbc:h2:mem JDBC URL with certain parameters.

The vulnerability has been assigned the Common Weakness Enumeration (CWE) identifier CWE-88, which indicates improper control of a resource through its lifetime. This misconfiguration enables the potential for remote code execution, presenting a substantial risk to systems relying on H2.

The risk to organizations includes unauthorized access to sensitive data, manipulation of database contents, and potential service disruption, making effective mitigation critical.

Technical Analysis

The root cause of CVE-2022-23221 lies in the H2 Database Console's handling of JDBC URLs. The vulnerability allows attackers to inject commands through crafted URLs, which the console then executes, leading to arbitrary code execution.

The attack vector for this vulnerability is over the network, requiring no authentication from the user, which significantly increases the risk of exploitation. Attack complexity is low, meaning that even less sophisticated attackers could leverage this vulnerability with minimal effort.

Specifically, the vulnerability impacts confidentiality, integrity, and availability, all rated as high. This means any successful exploitation could lead to complete control over the database environment, including access to confidential information and disruption of services.

Risk & Impact Analysis

Organizations utilizing H2 Database Console are at serious risk if they have not updated to version 2.1.210 or later. The potential for an attacker to execute arbitrary code remotely creates a significant threat to data integrity and system availability.

The blast radius of this vulnerability is extensive, given the critical nature of database systems in many organizations. An attacker exploiting this flaw could gain access to sensitive information, disrupt services, and manipulate data.

Given the critical CVSS score of 9.8 and the absence of known exploits at this time, the urgency for organizations is high. They should address this vulnerability in their priority patch cycle, ensuring that all affected systems are updated to the latest versions.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The affected versions include H2 Database Console versions prior to 2.1.210, as well as various Debian Linux distributions, including versions 9.0, 10.0, and 11.0. Organizations should ensure they are running patched versions to mitigate this vulnerability.

Mitigation & Remediation

Organizations should update to H2 Database Console version 2.1.210 or later to remediate this vulnerability. If immediate patching is not feasible, consider implementing workarounds such as restricting access to the H2 console and enhancing network security measures.

Configuration hardening should also be considered, including limiting user permissions and employing network controls to minimize exposure to potential attacks. Monitoring systems for unauthorized access attempts can provide additional layers of security.

Detection Guidance

Monitoring logs for unusual JDBC URL patterns and unauthorized access attempts can help organizations detect exploitation attempts. Behavioral anomalies in application performance may also indicate attempts to exploit this vulnerability.

AppSecure Threat Intelligence Insight

The long-term significance of CVE-2022-23221 highlights the importance of secure coding practices and continuous monitoring of vulnerabilities within software systems. The trend of remote code execution vulnerabilities persists, emphasizing the need for organizations to adopt proactive security measures.

Security teams should learn from this incident by implementing robust vulnerability management programs and incorporating regular security assessments into their development processes. For further reading on effective security frameworks, organizations can explore vulnerability management best practices and penetration testing methodologies to enhance their security posture.

Ultimately, continuous improvement in security practices will help mitigate risks associated with evolving threats and vulnerabilities.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

Latest CVEs. Recently published vulnerabilities from the NVD database.

View all vulnerabilities
CVE IDSeverity
CVE-2025-65418HIGH
CVE-2025-65417MEDIUM
CVE-2025-65416MEDIUM
CVE-2025-65415MEDIUM
CVE-2025-61314HIGH

Protect Your Business with Hacker-Focused Approach.