CVE-2020-14581 in Java SE
Summary
by MITRE
Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE (component: 2D). Supported versions that are affected are Java SE: 8u251, 11.0.7 and 14.0.1; Java SE Embedded: 8u251. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE, Java SE Embedded accessible data. Note: Applies to client and server deployment of Java. This vulnerability can be exploited through sandboxed Java Web Start applications and sandboxed Java applets. It can also be exploited by supplying data to APIs in the specified Component without using sandboxed Java Web Start applications or sandboxed Java applets, such as through a web service. CVSS 3.1 Base Score 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 05/27/2025
The vulnerability identified as CVE-2020-14581 represents a significant security weakness within Oracle Java SE and Java SE Embedded platforms, specifically within the 2D graphics component. This flaw affects multiple version lines including Java SE 8u251, 11.0.7, and 14.0.1, along with Java SE Embedded 8u251, making it a widespread concern across various Java deployments. The vulnerability's classification as difficult to exploit indicates that while it requires some level of technical skill to leverage, the attack surface remains broad enough to pose real threats to organizations maintaining Java-based systems.
The technical nature of this vulnerability stems from insufficient access controls within the 2D graphics component of Java, allowing unauthorized data access through network-based attacks. The CVSS 3.1 score of 3.7 reflects the relatively low complexity of exploitation but the limited impact on integrity and availability, with the primary concern being confidentiality breaches. Attackers can exploit this vulnerability through multiple network protocols without requiring authentication, making it particularly dangerous in environments where Java applications are accessible over networks. The vulnerability's reach extends beyond traditional desktop applications to include sandboxed Java Web Start applications and applets, demonstrating how modern Java deployment models can inadvertently expose systems to risk.
The operational impact of CVE-2020-14581 is significant for organizations running Java-based applications, particularly those that rely on Java for web services or client-server communications. Successful exploitation can result in unauthorized read access to sensitive data within the affected Java components, potentially exposing confidential information processed through the 2D graphics functionality. This vulnerability affects both client and server deployments of Java, meaning that organizations must consider the risk across their entire Java infrastructure. The ability to exploit this vulnerability through web services without requiring sandboxed application execution means that even properly configured web applications could be at risk if they interact with vulnerable Java components.
Organizations should prioritize patch management for this vulnerability, as Oracle has released updates addressing the specific 2D graphics component flaw. The mitigation strategy should include immediate deployment of the relevant Java updates across all affected systems, particularly those running the vulnerable version lines. Additional protective measures could involve network segmentation to limit access to Java applications, implementing proper firewall rules to restrict unnecessary network access to Java services, and conducting thorough vulnerability assessments to identify other potential exposure points. This vulnerability aligns with CWE-284 (Improper Access Control) and represents a typical example of how graphics rendering components can introduce security weaknesses in application frameworks. The ATT&CK framework categorizes this as a privilege escalation or information disclosure technique, emphasizing the need for comprehensive application security controls. Organizations should also consider implementing monitoring solutions to detect potential exploitation attempts and establish incident response procedures specific to Java-based vulnerabilities. Given the broad deployment scope of Java applications and the network-based attack vector, this vulnerability requires immediate attention from security teams responsible for maintaining Java environments across enterprise networks.