CVE-2019-15242 : Vulnerability Insights and Analysis
Learn about CVE-2019-15242 affecting Cisco SPA100 Series Analog Telephone Adapters. Discover the impact, technical details, and mitigation steps for this high-severity vulnerability.
Cisco SPA100 Series Analog Telephone Adapters have remote code execution vulnerabilities that could allow attackers to execute arbitrary code with escalated privileges.
Understanding CVE-2019-15242
Multiple weaknesses in Cisco SPA100 Series Analog Telephone Adapters (ATAs) could enable nearby attackers with authentication to execute arbitrary code with escalated privileges.
What is CVE-2019-15242?
The vulnerabilities stem from inadequate validation of user input to the web-based management interface, requiring authentication for exploitation. Attackers can craft requests to vulnerable devices, potentially leading to arbitrary code execution with elevated privileges.
The Impact of CVE-2019-15242
If successfully exploited, attackers could execute arbitrary code with elevated privileges, posing a significant security risk. The default enabled web-based management interface increases the vulnerability's severity.
Technical Details of CVE-2019-15242
Cisco SPA100 Series Analog Telephone Adapters are affected by remote code execution vulnerabilities.
Vulnerability Description
The vulnerabilities arise from improper validation of user-supplied input to the web-based management interface, allowing authenticated attackers to execute arbitrary code with elevated privileges.
Affected Systems and Versions
- Product: Cisco SPA112 2-Port Phone Adapter
- Vendor: Cisco
- Version: Unspecified
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- CVSS Score: 8.0 (High Severity)
Mitigation and Prevention
Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2019-15242.
Immediate Steps to Take
- Disable the web-based management interface if not required
- Implement strong authentication mechanisms
- Monitor network traffic for suspicious activities
Long-Term Security Practices
- Regularly update firmware and security patches
- Conduct security assessments and penetration testing
Patching and Updates
- Apply vendor-supplied patches promptly
- Stay informed about security advisories and updates