CVE-2019-15241 Explained : Impact and Mitigation

Cisco SPA100 Series Analog Telephone Adapters have been found to have vulnerabilities that could allow an attacker to execute unauthorized code with elevated privileges.

Understanding CVE-2019-15241

Multiple weaknesses in the Cisco SPA100 Series Analog Telephone Adapters (ATAs) could potentially enable an authenticated attacker in close proximity to execute unauthorized code with higher privileges.

What is CVE-2019-15241?

The vulnerabilities stem from inadequate validation of user input in the web-based management interface, allowing an attacker to send crafted requests to an affected device after authenticating to the interface.

The Impact of CVE-2019-15241

The vulnerabilities could lead to unauthorized code execution with elevated privileges.
The web-based management interface is activated by default, increasing the risk of exploitation.

Technical Details of CVE-2019-15241

The following technical details provide insight into the vulnerability.

Vulnerability Description

Weaknesses in the Cisco SPA100 Series ATAs allow attackers to execute unauthorized code with higher privileges.

Affected Systems and Versions

Product: Cisco SPA112 2-Port Phone Adapter
Vendor: Cisco
Version: Unspecified

Exploitation Mechanism

Attacker needs to authenticate to the web-based management interface and send crafted requests to the affected device to exploit the vulnerabilities.

Mitigation and Prevention

Steps to mitigate the risks associated with CVE-2019-15241.

Immediate Steps to Take

Disable the web-based management interface if not required.
Implement strong authentication mechanisms.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and security patches.
Conduct security assessments and penetration testing.

Patching and Updates

Apply patches provided by Cisco to address the vulnerabilities.