CVE-2019-15240 : What You Need to Know

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

Understanding CVE-2019-15240

This CVE involves weaknesses in the Cisco SPA100 Series Analog Telephone Adapters that could be exploited by an authenticated attacker with adjacent access.

What is CVE-2019-15240?

The vulnerability allows an attacker to execute unauthorized code with higher privileges by exploiting inadequate input verification in the web-based management interface.

The Impact of CVE-2019-15240

Attack Complexity: Low
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: Low
User Interaction: None
Scope: Unchanged

Technical Details of CVE-2019-15240

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability arises from insufficient validation of user input in the web-based management interface.

Affected Systems and Versions

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

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to authenticate to the web-based management interface and send carefully crafted requests to the affected device.

Mitigation and Prevention

Protecting against this vulnerability requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the web-based management interface if not needed
Implement strong authentication mechanisms
Monitor network traffic for any suspicious activities

Long-Term Security Practices

Regularly update and patch the affected systems
Conduct security training for users to recognize and report potential threats

Patching and Updates

Apply patches and updates provided by Cisco to address this vulnerability.