CVE-2019-15250 : What You Need to Know

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

Understanding CVE-2019-15250

This CVE involves weaknesses in Cisco SPA100 Series Analog Telephone Adapters that could be exploited by an authenticated attacker to execute arbitrary code with elevated privileges.

What is CVE-2019-15250?

The vulnerabilities in Cisco SPA100 Series Analog Telephone Adapters stem from inadequate validation of user input within the web-based management interface, enabling an attacker to execute arbitrary code with higher privileges.

The Impact of CVE-2019-15250

Attack Complexity: Low
Attack Vector: Adjacent Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: Low
User Interaction: None
Scope: Unchanged
CVSS Base Score: 8.0 (High)

Technical Details of CVE-2019-15250

Vulnerability Description

The vulnerabilities allow an attacker with authenticated access to execute arbitrary code with elevated privileges due to inadequate 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 these weaknesses, an attacker needs authenticated access to the web-based management interface and must send carefully crafted requests to the impacted device.

Mitigation and Prevention

Immediate Steps to Take

Disable the web-based management interface if not required
Implement strong, unique passwords for device access
Regularly monitor network traffic for any suspicious activity

Long-Term Security Practices

Keep systems up to date with the latest security patches
Conduct regular security audits and assessments

Patching and Updates

Apply patches and updates provided by Cisco to address the vulnerabilities.