CVE-2017-9822 is a high-severity vulnerability affecting DNN (DotNetNuke) versions prior to 9.1.1. This vulnerability allows remote code execution via a cookie, which poses a significant risk to organizations utilizing the platform. The CVSS score for this vulnerability is 8.8, indicating a high level of severity, primarily due to its potential impact on confidentiality, integrity, and availability.
Risk to organizations includes unauthorized access and control over affected systems, leading to data loss or manipulation. Attackers may leverage this vulnerability to execute arbitrary code on vulnerable DNN sites, making it a critical issue. Organizations should prioritize patching immediately.
As of now, there are known exploits available for this vulnerability, further emphasizing the urgency for defenders to act. Organizations must assess their exposure and ensure they are running a patched version of DotNetNuke to mitigate this threat.
The publication date of this vulnerability was July 20, 2017, with the last modification on April 21, 2026. Security teams are encouraged to take this issue seriously, given the potential ramifications of exploitation.
Vulnerability Details
This vulnerability allows remote code execution via a cookie in DNN (DotNetNuke) versions prior to 9.1.1. It is categorized under CWE-94, which pertains to code injection vulnerabilities. The vulnerability was assigned a CVSS score of 8.8, classified as high severity, indicating significant risk due to its potential impact.
The affected product is DNN (DotNetNuke), and the vendor is DNN Software. The vulnerability was officially disclosed on July 20, 2017. Organizations should be aware that the exploitability of this vulnerability is rated as critical, and immediate remediation is necessary.
Technical Analysis
The root cause of CVE-2017-9822 is a flaw in the cookie handling mechanism within DNN. Attackers can exploit this vulnerability over the network with low attack complexity, requiring only low privileges to execute the attack without any user interaction. The impacts include high confidentiality, integrity, and availability risks, making this vulnerability particularly concerning for organizations using DNN.
Given the vulnerability's nature, organizations should implement thorough monitoring of logs and user activities to detect any abnormal behavior indicating exploitation attempts. Furthermore, it is vital to restrict access and implement network segmentation to limit exposure to potential attacks.
Risk & Impact Analysis
Organizations using DNN must understand the real-world deployment risk associated with this vulnerability. The potential for unauthorized remote code execution can lead to significant data breaches, system disruptions, and reputational damage. The blast radius of this vulnerability is extensive, as it affects all versions of DNN prior to 9.1.1.
Given the CVSS score of 8.8 and its inclusion in the Known Exploited Vulnerabilities (KEV) catalog, the urgency for remediation is critical. Organizations need to prioritize addressing this vulnerability to prevent exploitation and mitigate risks.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | Yes |
Affected Versions
The vulnerability affects all versions of DNN (DotNetNuke) prior to 9.1.1. Organizations utilizing these versions should take immediate action to upgrade to the latest version that addresses this vulnerability.
Mitigation & Remediation
Organizations should apply updates per vendor instructions to mitigate this vulnerability. Upgrading to the latest version of DotNetNuke is crucial to prevent exploitation. If an immediate upgrade is not feasible, implementing network controls and monitoring for unusual activities can help reduce exposure.
For a comprehensive security assessment and testing, organizations may consider engaging in penetration testing to validate their defenses.
Detection Guidance
Monitoring logs for unusual patterns and behavioral anomalies can assist in detecting attempts to exploit this vulnerability. It is essential to track any unauthorized access attempts and changes in system behavior that may indicate exploitation.
AppSecure Threat Intelligence Insight
CVE-2017-9822 represents a critical threat landscape for organizations using DNN. The ongoing exploitation in the wild and its categorization in the KEV catalog highlight the need for heightened security measures. It is essential for security teams to remain vigilant and proactive in their defenses against potential exploitation.
For further guidance on securing your applications, organizations can refer to the vulnerability management program for best practices.
Additionally, leveraging insights from the latest penetration testing methodology can enhance your security posture against emerging threats.
Lastly, security teams should stay updated with the latest trends and developments in the field. Regular participation in security assessments and adherence to best practices can significantly reduce risk exposure.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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