CVE-2019-1724 : Exploit Details and Defense Strategies

A vulnerability in the session management feature of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow unauthorized access to user sessions, potentially leading to account manipulation or device control.

Understanding CVE-2019-1724

What is CVE-2019-1724?

The vulnerability in Cisco Small Business RV320 and RV325 Routers allows attackers to hijack valid user sessions, exploiting inadequate session management controls.

The Impact of CVE-2019-1724

The vulnerability could enable attackers to create new user accounts or manipulate devices with the same permissions as the hijacked session, posing a significant security risk.

Technical Details of CVE-2019-1724

Vulnerability Description

The flaw in the session management feature of the web-based interface allows attackers to send crafted HTTP requests to take control of existing user sessions.

Affected Systems and Versions

Product: Cisco Small Business RV Series Router Firmware
Vendor: Cisco
Versions Affected: Less than 1.4.2.20

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: Required
Exploitation Scope: Unchanged
CVSS Score: 8.8 (High Severity)

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Cisco promptly.
Monitor network traffic for any suspicious activity.
Restrict access to the web-based interface of the affected routers.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Implement strong password policies and multi-factor authentication.
Conduct regular security audits and penetration testing.

Patching and Updates

Cisco has released firmware updates to address the vulnerability. Ensure timely installation of these updates to secure the affected systems.