CVE-2019-16671 Explained : Impact and Mitigation
Learn about CVE-2019-16671 affecting Weidmueller IE-SW-VL05M, IE-SW-VL08MT, and IE-SW-PL10M devices. Find out the impact, technical details, and mitigation steps for this vulnerability.
The Weidmueller IE-SW-VL05M 3.6.6 Build 16102415, IE-SW-VL08MT 3.5.2 Build 16102415, and IE-SW-PL10M 3.3.16 Build 16102416 devices have a vulnerability that allows authenticated remote users to crash the device by sending a specific packet due to uncontrolled resource consumption.
Understanding CVE-2019-16671
This CVE involves a vulnerability in Weidmueller devices that can be exploited by authenticated remote users to cause a denial of service.
What is CVE-2019-16671?
The CVE-2019-16671 vulnerability affects Weidmueller devices, enabling authenticated remote users to crash the device by sending a specific packet, leading to uncontrolled resource consumption.
The Impact of CVE-2019-16671
The impact of this vulnerability is rated as medium severity with a CVSS base score of 6.5. The availability impact is high, while confidentiality and integrity impacts are none.
Technical Details of CVE-2019-16671
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows authenticated remote users to crash the Weidmueller devices by sending a specific packet, resulting from uncontrolled resource consumption.
Affected Systems and Versions
- Weidmueller IE-SW-VL05M 3.6.6 Build 16102415
- Weidmueller IE-SW-VL08MT 3.5.2 Build 16102415
- Weidmueller IE-SW-PL10M 3.3.16 Build 16102416
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:L/S:U/UI:N
Mitigation and Prevention
Protecting systems from CVE-2019-16671 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-provided patches or updates promptly.
- Monitor network traffic for any suspicious activity.
- Restrict network access to vulnerable devices.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement network segmentation to isolate critical devices.
- Conduct regular security assessments and penetration testing.
Patching and Updates
- Check the vendor's website for available patches and updates.
- Follow best practices for applying patches to ensure system security.