CVE-2022-21371 is a high-severity vulnerability affecting Oracle WebLogic Server, specifically in the Web Container component of Oracle Fusion Middleware. This vulnerability allows unauthenticated attackers with network access via HTTP to compromise Oracle WebLogic Server. The affected versions include 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. The CVSS 3.1 Base Score is 7.5, indicating a high risk due to its potential for confidentiality impact.
The vulnerability can lead to unauthorized access to critical data or complete access to all accessible data on the Oracle WebLogic Server. Given the nature of this vulnerability and its high impact, organizations must act swiftly to mitigate the risks associated with it.
The urgency for defenders is high, and organizations should prioritize patching immediately to avoid potential exploitation. As this vulnerability has been classified as easily exploitable, defense strategies must be reinforced to safeguard sensitive data.
It is crucial for organizations to stay updated on vulnerability disclosures and to implement the necessary patches as soon as they are available to prevent unauthorized access.
Vulnerability Details
The official description for CVE-2022-21371 states that it is a vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware. Supported versions that are affected include 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. The vulnerability is categorized under CWE-22, which relates to improper limitation of a pathname to a restricted directory ('Path Traversal').
The CVSS score for this vulnerability is 7.5, which reflects its high severity. The attack vector is network-based, with low complexity and no privileges required, meaning that an attacker can exploit it without any special access rights.
The vulnerability was published on January 19, 2022, and has since been classified as modified, indicating that there may have been updates or changes to its assessment.
Technical Analysis
The root cause of CVE-2022-21371 lies in improper input validation within the Oracle WebLogic Server's Web Container component. This issue allows attackers to exploit the vulnerability through crafted HTTP requests that manipulate file paths, leading to unauthorized access.
The attack vector for this vulnerability is network-based, as it can be exploited remotely over the internet. The complexity of the attack is low, meaning that even attackers with limited skills can successfully exploit it. Importantly, no user interaction is required for an attack to succeed.
In terms of impact, the confidentiality of data is significantly compromised, while integrity and availability are not affected. This highlights the critical nature of the vulnerability, as sensitive data can be accessed without authorization.
Risk & Impact Analysis
Organizations utilizing affected versions of Oracle WebLogic Server are at a high risk due to the potential for unauthorized data access. The blast radius is extensive as the vulnerability can affect any instance of Oracle WebLogic Server that is publicly accessible.
This vulnerability is particularly concerning for organizations that store sensitive information or are subject to regulatory compliance. The urgency for remediation cannot be overstated; organizations should address this vulnerability in their priority patch cycle to mitigate risks.
Given the CVSS score of 7.5, the potential for exploitation is high, and the EPSS score further emphasizes the likelihood of it being exploited in the wild. Organizations must remain vigilant and proactive in their security practices.
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of Oracle WebLogic Server include: 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0. Organizations should note that all versions prior to the vendor patch are vulnerable to this issue.
Mitigation & Remediation
Organizations are advised to apply the necessary patches as soon as they are available. The Oracle Critical Patch Update for January 2022 includes fixes for this vulnerability. If patches are not immediately available, organizations should consider implementing network controls to limit access to the affected systems.
Furthermore, regular monitoring for unusual access patterns and strengthening security configurations can help mitigate potential exploitation. For detailed guidance on security practices, organizations may refer to the penetration testing services.
Detection Guidance
To detect potential exploitation of CVE-2022-21371, organizations should monitor logs for unusual file access patterns and any unauthorized changes to configuration files. Additionally, network traffic should be analyzed for suspicious requests that may indicate an attempt to exploit the vulnerability.
Behavioral anomalies in application performance can also be a sign of exploitation or attempted exploitation and should be investigated promptly.
AppSecure Threat Intelligence Insight
CVE-2022-21371 represents a significant risk due to its easily exploitable nature. The presence of exploits in the wild underlines the importance of timely patching and monitoring.
This vulnerability is illustrative of a broader trend where weaknesses in web applications can lead to severe data breaches. Security teams should take proactive measures, including regular vulnerability assessments and implementing robust security frameworks, to mitigate such risks.
Organizations should also be aware of the evolving threat landscape and regularly update their security protocols to adapt to new vulnerabilities. For comprehensive security strategies, organizations may explore our application security assessment services.
To stay ahead of potential threats, organizations should also consider engaging in continuous penetration testing to identify vulnerabilities before they can be exploited.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

.webp)