CVE-2017-3262 in Java SE
Summary
by MITRE
Vulnerability in the Java SE component of Oracle Java SE (subcomponent: Java Mission Control). The supported version that is affected is Java SE: 8u112. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Java SE accessible data. Note: Applies to Java Mission Control Installation. CVSS v3.0 Base Score 5.3 (Confidentiality impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2017-3262 resides within the Java SE component of Oracle Java SE, specifically affecting the Java Mission Control subcomponent. This flaw manifests in Java SE version 8u112 and represents a significant security concern that undermines the confidentiality of sensitive data within the affected system. The vulnerability's classification as easily exploitable indicates that attackers can potentially compromise the system without requiring authentication or specialized privileges, making it particularly dangerous in environments where network exposure is common. The attack vector involves network access through multiple protocols, suggesting that the vulnerability could be leveraged across various communication channels that Java Mission Control might utilize.
The technical nature of this vulnerability stems from inadequate access controls within Java Mission Control functionality, which allows unauthorized parties to gain read access to portions of Java SE accessible data. This represents a direct violation of the confidentiality principle in information security, where sensitive data that should remain protected becomes accessible to malicious actors. The vulnerability's impact is measured at a CVSS v3.0 base score of 5.3, which falls within the medium severity range, indicating that while the threat is not catastrophic, it does represent a meaningful risk to system security. The confidentiality impact specifically addresses the unauthorized access to data that should remain protected within the Java SE environment.
From an operational standpoint, successful exploitation of this vulnerability can lead to significant data leakage and potential information disclosure that could compromise the integrity of the affected systems. Organizations utilizing Java Mission Control installations face particular risk as the vulnerability specifically targets this component, meaning that any deployment using Java Mission Control is potentially vulnerable. The attack requires only network access without authentication, which means that even systems with proper access controls may be at risk if they expose Java Mission Control services to untrusted networks. This makes the vulnerability particularly concerning for enterprise environments where network exposure is common and where attackers may leverage other vulnerabilities to reach systems running Java Mission Control.
The security implications extend beyond simple data theft, as unauthorized access to Java SE data could potentially enable attackers to gather intelligence about system configurations, application behavior, or other sensitive operational information. This information could then be used to plan more sophisticated attacks or to understand the broader security posture of the organization. The vulnerability's impact is further compounded by the fact that Java Mission Control is designed for monitoring and management purposes, making it a legitimate component that would typically be accessible to authorized personnel but in this case becomes accessible to unauthorized users.
Organizations should implement immediate mitigations including updating to patched versions of Java SE, particularly focusing on Java 8u113 or later versions that contain the necessary security fixes. Network segmentation and access controls should be strengthened to limit exposure of Java Mission Control services to only trusted networks and users. Additional protective measures include monitoring for unusual network activity related to Java processes and implementing proper firewall rules to restrict access to Java Mission Control ports and services. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a clear violation of access control principles that should be maintained within enterprise security frameworks. This vulnerability also maps to ATT&CK technique T1071.004 (Application Layer Protocol: DNS) and similar network-based attack patterns that leverage service exposure to gain unauthorized access to system components.