The CVE-2019-19006 vulnerability affects Sangoma FreePBX versions 115.0.16.26 and below, 14.0.13.11 and below, and 13.0.197.13 and below. This vulnerability allows for incorrect access control, enabling unauthorized users to bypass password authentication and access resources provided by the FreePBX admin. The severity of this vulnerability is classified as critical. With a CVSS score of 9.8, the vulnerability poses a significant risk to organizations using affected versions of FreePBX.
Risk to organizations includes potential unauthorized access to sensitive telephony data, which could lead to data breaches and unauthorized use of telephony services. Attackers may leverage this vulnerability to gain administrative access without authentication, exposing organizations to further risks.
Organizations should prioritize patching immediately. Affected systems must be updated to mitigate this vulnerability, and systems should be monitored for any unauthorized access attempts.
The exploitation status for CVE-2019-19006 indicates no public exploit has been confirmed. However, its inclusion in the Known Exploited Vulnerabilities (KEV) catalog signifies that it is actively exploited in the wild, reinforcing the urgency for organizations to address it.
In summary, this critical vulnerability in Sangoma FreePBX necessitates immediate action from organizations to mitigate risks associated with unauthorized access.
Vulnerability Details
Sangoma FreePBX versions 115.0.16.26 and below, 14.0.13.11 and below, and 13.0.197.13 and below have Incorrect Access Control. The CVSS score of 9.8 indicates a critical severity level, which means that exploitation of this vulnerability can lead to high confidentiality, integrity, and availability impacts. The vulnerability was published on November 21, 2019.
Technical Analysis
The root cause of the vulnerability lies in the incorrect implementation of access controls, which fails to restrict unauthorized users from accessing sensitive features of the FreePBX admin interface. The attack vector is network-based, allowing remote attackers to exploit the vulnerability without requiring physical access to the system.
The attack complexity is low, as no special conditions or privileges are needed to exploit the vulnerability. Additionally, user interaction is not required for the attack to succeed. The vulnerability has a high impact on confidentiality, integrity, and availability, making it critical for organizations to take action.
Risk & Impact Analysis
The real-world risk associated with this vulnerability is significant, as it may allow attackers to gain unauthorized administrative access to FreePBX installations. This could result in significant data breaches, unauthorized call routing, and manipulation of telephony systems, affecting business operations and customer trust. Given the high severity score and its presence in the KEV catalog, organizations should assess their exposure and prioritize remediation efforts.
Organizations should prioritize patching immediately. The availability of patches or upgrades will be crucial in mitigating the risks associated with this vulnerability.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The vulnerable versions of Sangoma FreePBX are 115.0.16.26 and below, 14.0.13.11 and below, and 13.0.197.13 and below. Organizations using these versions should upgrade immediately to the latest patched versions to mitigate the risk.
Mitigation & Remediation
To mitigate this vulnerability, organizations should apply the latest patches provided by Sangoma. If patches are unavailable, organizations should follow the vendor's instructions for temporary workarounds. Additionally, configuration hardening and network controls should be implemented to minimize exposure. For further assistance, organizations may consider engaging in penetration testing to validate the security posture.
Detection Guidance
Organizations should monitor logs for any indicators of unauthorized access attempts. Behavioral anomalies in user activities should be flagged for further investigation. Additionally, network signatures that indicate exploitation attempts should be established.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2019-19006 lies in its demonstration of the risks associated with improper access controls in telephony systems. This vulnerability highlights the importance of regular security assessments and ensuring that all systems are adequately protected against unauthorized access. Security teams should take this incident as a lesson to reinforce their security practices and ensure that similar vulnerabilities are identified and mitigated proactively.
For more information on strengthening security practices, consider reviewing the following resources: vulnerability management programs and penetration testing methodologies to enhance your overall security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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