CVE-2022-28940 : What You Need to Know
Learn about CVE-2022-28940, a security flaw in H3C MagicR100 <=V100R005 allowing unauthorized access to /Ajax/ajaxget interface, leading to a DOS attack. Find mitigation steps here.
A detailed overview of CVE-2022-28940 highlighting the vulnerability in H3C MagicR100 <=V100R005 that allows unauthorized access to the /Ajax/ajaxget interface, leading to a DOS attack.
Understanding CVE-2022-28940
This section provides insights into the vulnerability, its impact, technical details, and mitigation steps.
What is CVE-2022-28940?
CVE-2022-28940 pertains to a security flaw in H3C MagicR100 <=V100R005. It allows unauthorized access to the /Ajax/ajaxget interface, facilitating a Denial of Service (DOS) attack through the transmission of a large volume of data via ajaxmsg.
The Impact of CVE-2022-28940
The vulnerability enables threat actors to exploit the /Ajax/ajaxget interface without authentication, potentially leading to a DOS attack on affected systems.
Technical Details of CVE-2022-28940
This section delves into the specifics of the vulnerability, including its description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
In H3C MagicR100 <=V100R005, the /Ajax/ajaxget interface is susceptible to unauthorized access, allowing malicious actors to carry out DOS attacks by transmitting excessive data via ajaxmsg.
Affected Systems and Versions
The vulnerability affects H3C MagicR100 with versions equal to or below V100R005.
Exploitation Mechanism
Unauthorized users can exploit the flaw by gaining access to the /Ajax/ajaxget interface, enabling them to launch DOS attacks through the transmission of a large data payload.
Mitigation and Prevention
This section outlines the immediate steps to take and long-term security practices to mitigate the risk posed by CVE-2022-28940.
Immediate Steps to Take
Network administrators should restrict access to the /Ajax/ajaxget interface, implement access controls, and monitor network traffic for anomalous activities.
Long-Term Security Practices
Regularly update and patch H3C MagicR100 systems, conduct security assessments, and deploy intrusion detection systems to enhance overall network security.
Patching and Updates
Stay informed about security advisories from H3C, promptly apply patches, and maintain awareness of emerging threats to safeguard systems against potential exploits.