CVE-2021-2449 in Outside In Technology
Summary
by MITRE • 07/21/2021
Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Filters). The supported version that is affected is 8.5.5. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Outside In Technology accessible data as well as unauthorized read access to a subset of Oracle Outside In Technology accessible data. Note: Outside In Technology is a suite of software development kits (SDKs). The protocol and CVSS Base Score depend on the software that uses Outside In Technology. The CVSS score assumes that the software passes data received over a network directly to Outside In Technology, but if data is not received over a network the CVSS score may be lower. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N).
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Analysis
by VulDB Data Team • 07/24/2021
The vulnerability identified as CVE-2021-2449 represents a significant security weakness within Oracle Outside In Technology, a critical component of Oracle Fusion Middleware that serves as a suite of software development kits enabling applications to process various document formats. This flaw exists specifically within the Outside In Filters component of version 8.5.5, which is widely deployed across enterprise environments for document conversion and processing tasks. The vulnerability's classification as difficult to exploit indicates that while it requires some level of technical sophistication to leverage, the attack surface remains substantial given the widespread adoption of this technology stack.
The technical nature of this vulnerability stems from inadequate input validation and processing within the Outside In Technology filters, which allows an unauthenticated remote attacker to manipulate the system through HTTP network connections. This weakness creates a pathway for attackers to gain unauthorized access to sensitive data processing capabilities, enabling them to perform unauthorized operations including data creation, deletion, and modification. The vulnerability's impact extends to both confidentiality and integrity aspects of the affected systems, with the CVSS score of 6.5 reflecting the potential for significant data compromise. The attack vector requires network access via HTTP, making it particularly concerning for systems exposed to external networks or those lacking proper network segmentation controls.
The operational implications of this vulnerability are severe for organizations utilizing Oracle Fusion Middleware environments, as successful exploitation could result in unauthorized access to critical business data and document repositories. The vulnerability's potential to affect all accessible data within the Oracle Outside In Technology environment means that attackers could compromise entire document processing pipelines, potentially leading to data breaches, intellectual property theft, or operational disruption. The CVSS vector indicates that while the attack requires high complexity (AC:H), the lack of authentication requirements (PR:N) and user interaction (UI:N) makes it particularly dangerous in environments where network exposure is common. This vulnerability directly maps to CWE-20, which describes improper input validation, and aligns with ATT&CK techniques involving command and control through web protocols.
Organizations must implement immediate mitigation strategies including network segmentation to limit exposure of systems running Oracle Outside In Technology, deployment of web application firewalls to monitor and filter HTTP traffic, and implementation of strict access controls for the affected components. Regular patching and updates should be prioritized, with organizations assessing their current deployment of version 8.5.5 to determine risk exposure. The CVSS scoring system indicates that the severity can vary based on how the software integrates with network protocols, emphasizing the need for comprehensive security assessments of all systems utilizing this technology. Additionally, monitoring for unusual HTTP traffic patterns and implementing robust logging mechanisms for document processing activities will help detect potential exploitation attempts. Security teams should also consider implementing principle of least privilege access controls for Outside In Technology components and regularly review system configurations to ensure proper isolation from critical network segments.