Explore CVE-2021-37122, a use-after-free vulnerability in Huawei CloudEngine series products. Learn about the impact, affected systems, and mitigation steps to secure your network.
A detailed analysis of CVE-2021-37122 highlighting the vulnerability, impact, technical details, and mitigation steps.
Understanding CVE-2021-37122
This section will provide insights into the use-after-free vulnerability in Huawei products.
What is CVE-2021-37122?
CVE-2021-37122 involves a use-after-free (UAF) vulnerability in various Huawei products, allowing an attacker to exploit this flaw by crafting specific packets. Successful exploitation could lead to abnormal service operations.
The Impact of CVE-2021-37122
The impact includes service disruption and potential exploitation by threat actors to compromise affected Huawei devices.
Technical Details of CVE-2021-37122
Exploring vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability resides in Huawei CloudEngine series products, specifically versions CloudEngine 12800, 5800, 6800, and 7800, with specified software versions.
Affected Systems and Versions
Affected systems include CloudEngine 12800, 5800, 6800, and 7800 running software versions V200R005C10SPC800, V200R019C00SPC800, and V200R005C20SPC800.
Exploitation Mechanism
Attackers can exploit this UAF vulnerability by creating and sending malicious packets to the targeted Huawei devices.
Mitigation and Prevention
Highlighting essential steps to mitigate and prevent potential exploitation.
Immediate Steps to Take
Immediately update the affected Huawei products with the latest security patches and configurations to address the vulnerability.
Long-Term Security Practices
Implement robust security measures, conduct regular security audits, and educate users on identifying and reporting suspicious activities.
Patching and Updates
Regularly monitor security advisories from Huawei and apply patches and updates promptly to safeguard the network infrastructure and devices.