CVE-2022-39986 is a command injection vulnerability found in RaspAP versions 2.8.0 through 2.8.7. This vulnerability allows unauthenticated attackers to execute arbitrary commands via the cfg_id parameter in the endpoints /ajax/openvpn/activate_ovpncfg.php and /ajax/openvpn/del_ovpncfg.php. With a CVSS score of 9.8, this vulnerability is classified as critical, indicating a severe risk to systems utilizing affected versions.
The ability for attackers to gain command execution capabilities without authentication can lead to significant breaches, including data theft, system compromise, and disruption of services. Organizations using RaspAP must take this vulnerability seriously and implement remediation strategies swiftly. The nature of the attack vector, which is categorized as network-based, emphasizes the urgency for a response.
No known public exploits are confirmed at this time; however, the existence of a proof-of-concept on GitHub raises concerns about potential exploitation. Therefore, organizations should prioritize patching immediately to prevent unauthorized access and mitigate risks associated with this vulnerability.
It is essential for security teams to remain vigilant and monitor for any signs of exploitation related to CVE-2022-39986, especially given its high exploitability score and potential impact.
Vulnerability Details
The official description of CVE-2022-39986 states that it is a command injection vulnerability in RaspAP, affecting versions 2.8.0 to 2.8.7. The CVSS score assigned to this vulnerability is 9.8, indicating a critical severity level. The primary weakness associated with this vulnerability is classified as CWE-77, which pertains to command injection vulnerabilities.
The specifics of the vulnerability are as follows: the attack vector is network-based, the attack complexity is low, and no privileges are required for exploitation. Additionally, user interaction is not necessary. The impacts on confidentiality, integrity, and availability are all rated high, underscoring the seriousness of the vulnerability.
Technical Analysis
The root cause of CVE-2022-39986 lies in the improper handling of user input within the affected endpoints. Attackers can manipulate the cfg_id parameter to inject arbitrary commands into the application, leading to unauthorized command execution. Given that this vulnerability does not require any form of authentication, it poses a significant threat to any organization utilizing the affected versions of RaspAP.
The attack vector for this vulnerability is network-based, which means that any device connected to the same network can potentially exploit this vulnerability. The attack complexity is classified as low, indicating that an attacker can exploit this vulnerability without significant effort. Furthermore, there are no privileges required to carry out the attack, making it accessible to a wide range of potential attackers.
No user interaction is required, which further increases the risk associated with this vulnerability. The impacts on confidentiality, integrity, and availability are all rated as high, meaning that successful exploitation could lead to severe consequences for affected organizations.
Risk & Impact Analysis
The deployment of RaspAP in various environments, including home networks and small businesses, amplifies the risk associated with CVE-2022-39986. The potential for attackers to execute arbitrary commands could lead to unauthorized access to sensitive data, modification of configurations, and disruption of services. Organizations using affected versions need to recognize the importance of patching to mitigate these risks.
The blast radius for this vulnerability depends on the network configuration and the presence of additional security measures. In a poorly secured environment, the consequences could be far-reaching, affecting numerous devices and systems.
Given the critical severity and the potential impact, organizations must act swiftly. The urgency for addressing this vulnerability is underscored by the high CVSS score and the presence of a proof-of-concept exploit. Organizations should address this vulnerability in their priority patch cycle to ensure that systems are protected against potential exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of RaspAP are 2.8.0 through 2.8.7. Organizations using any of these versions should take immediate action to mitigate the risk posed by this vulnerability. If version information is unclear, it is recommended to assume that all versions prior to the vendor patch are affected.
Mitigation & Remediation
Organizations should prioritize patching to remediate CVE-2022-39986. Upgrading to the latest version of RaspAP that addresses this vulnerability is critical. For those unable to apply the patch immediately, consider implementing network controls to restrict access to the affected endpoints. Regular security testing can also help identify similar vulnerabilities across the network.
For more information on penetration testing services to validate security measures, organizations can refer to penetration testing that can help identify and address similar weaknesses.
Detection Guidance
To effectively detect potential exploitation of CVE-2022-39986, organizations should monitor for unusual command execution or application behavior. Log indicators that capture requests to the affected endpoints should be reviewed for anomalies. Additionally, behavioral anomalies in user sessions can be a sign of exploitation.
Network signatures should also be established to identify potentially malicious activities targeting the RaspAP system. Regular audits of system changes can provide insights into unauthorized modifications.
AppSecure Threat Intelligence Insight
CVE-2022-39986 highlights the critical nature of command injection vulnerabilities and their potential to lead to significant breaches. Organizations utilizing RaspAP should treat this vulnerability with utmost seriousness, given its high CVSS score and the potential for exploitation. The presence of a proof-of-concept indicates a likelihood of future attacks, making proactive measures essential.
Security teams should learn from this incident to bolster defenses against similar vulnerabilities. This includes adopting a robust vulnerability management program and regularly engaging in vulnerability management best practices to ensure that similar issues are identified and remediated swiftly.
In addition, organizations should invest in regular security assessments, including penetration testing methodologies, to uncover potential vulnerabilities before they can be exploited.
Finally, organizations should be aware of emerging security trends, such as those detailed in the latest research on vulnerability exposure severity trends, to remain ahead of potential threats.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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