CVE-2022-26134 is a critical OGNL injection vulnerability found in affected versions of Atlassian Confluence Server and Data Center. This vulnerability allows an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The severity of this vulnerability is underscored by its CVSS score of 9.8, indicating a high risk to organizations utilizing these products.
The affected versions include those from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1. Risk to organizations includes potential unauthorized access and data breaches, making it imperative for defenders to act swiftly.
The urgency for patching this vulnerability is critical. Organizations should prioritize patching immediately to safeguard their Confluence instances against potential exploitation. This vulnerability has already been included in the Known Exploited Vulnerabilities (KEV) catalog, highlighting its active exploitation in the wild.
If not addressed promptly, organizations risk significant impact, including loss of data integrity and availability. The exploitability of this vulnerability has been classified as high, with known exploits already identified. Organizations must ensure they are running updated versions of Confluence to mitigate these risks.
Vulnerability Details
According to the official CVE description, the vulnerability exists in affected versions of Confluence Server and Data Center, allowing an unauthenticated attacker to execute arbitrary code due to an OGNL injection vulnerability. The CVSS score of 9.8 indicates that this is a critical vulnerability, necessitating immediate attention from organizations.
The affected products include Confluence Server and Confluence Data Center, with all versions prior to vendor patch being vulnerable. The vulnerability was published on June 3, 2022, and is classified under CWE-917.
Technical Analysis
The root cause of CVE-2022-26134 is related to improper input validation in the OGNL (Object-Graph Navigation Language) execution context. This allows attackers to craft requests that can execute arbitrary code remotely. The attack vector is network-based, and the complexity is low, requiring no privileges or user interaction.
If successfully exploited, the attacker could achieve high confidentiality, integrity, and availability impacts. This indicates a severe threat to organizations using the affected software. The attack could result in data exfiltration, unauthorized access, and service disruption.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2022-26134 is significant. Organizations using affected versions of Confluence Server and Data Center should consider the potential for widespread exploitation given the critical nature of the vulnerability.
Risk to organizations includes unauthorized access, data breaches, and significant operational disruptions. The urgency for remediation is high, with affected products included in the KEV catalog. Organizations should block all internet traffic to and from affected products and apply updates immediately.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | Yes |
Affected Versions
The affected versions of Confluence Server and Data Center include those from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.
Mitigation & Remediation
Organizations must apply the appropriate patches to mitigate CVE-2022-26134. This includes upgrading to versions of Confluence Server and Data Center that are not affected by this vulnerability. If patches cannot be applied immediately, organizations should block all internet traffic to and from affected products.
To ensure comprehensive security, organizations may also consider engaging in penetration testing to identify and address potential weaknesses in their security posture.
Detection Guidance
Organizations should monitor logs for unusual authentication attempts, unexpected changes in system behavior, and unauthorized access requests. Behavioral anomalies may indicate attempts to exploit the vulnerability. Additionally, network signatures associated with this vulnerability should be incorporated into intrusion detection systems.
AppSecure Threat Intelligence Insight
CVE-2022-26134 highlights the importance of proactive security measures and the need for ongoing vigilance in the face of evolving threats. The vulnerability reflects a trend in web application security where injection flaws continue to be a significant attack vector.
Organizations can learn from this incident by implementing robust security testing methodologies and fostering a culture of security awareness among development teams. For further insights on improving security measures, organizations may refer to our penetration testing methodology guide and ensure their applications are secure against similar vulnerabilities.
Moreover, organizations should stay informed about emerging risks and trends within their specific industry sectors. By integrating continuous security assessments and engaging in threat intelligence sharing, they can enhance their resilience against future threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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