CVE-2019-5253 : Security Advisory and Response
Discover how CVE-2019-5253 affects Huawei E5572-855 devices with versions earlier than 8.0.1.3(H335SP1C233), allowing attackers to force a device reboot. Learn mitigation steps and long-term security practices.
Devices with versions earlier than 8.0.1.3(H335SP1C233) of E5572-855 are vulnerable to an improper authentication issue that could lead to a device reboot via a man-in-the-middle attack.
Understanding CVE-2019-5253
This CVE identifies a vulnerability in Huawei's E5572-855 devices that allows attackers to force a device reboot through insufficient authentication.
What is CVE-2019-5253?
The CVE-2019-5253 vulnerability is related to improper authentication in E5572-855 devices, enabling attackers to exploit the flaw and trigger a device reboot.
The Impact of CVE-2019-5253
The vulnerability could be exploited by attackers to execute a man-in-the-middle attack and force the affected device to reboot, potentially disrupting services and causing downtime.
Technical Details of CVE-2019-5253
This section provides more technical insights into the CVE-2019-5253 vulnerability.
Vulnerability Description
- Devices with versions earlier than 8.0.1.3(H335SP1C233) of E5572-855 are susceptible to improper authentication.
Affected Systems and Versions
- Product: E5572-855
- Vendor: Huawei
- Vulnerable Versions: Versions earlier than 8.0.1.3(H335SP1C233)
Exploitation Mechanism
- Attackers can exploit the insufficient authentication during specific operations to trigger a device reboot through a man-in-the-middle attack.
Mitigation and Prevention
To address CVE-2019-5253, users and organizations should take immediate and long-term security measures.
Immediate Steps to Take
- Update affected devices to version 8.0.1.3(H335SP1C233) or later to mitigate the vulnerability.
- Monitor network traffic for any signs of unauthorized access or suspicious activities.
Long-Term Security Practices
- Implement strong authentication mechanisms to prevent unauthorized access.
- Regularly update firmware and security patches to protect against known vulnerabilities.
Patching and Updates
- Apply patches and updates provided by Huawei to address the improper authentication vulnerability in E5572-855 devices.