Learn about CVE-2020-5622 affecting Shadankun Server Security Type Ver.1.5.3 and earlier, allowing remote attackers to cause a denial of service. Find mitigation steps and prevention measures.
Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows remote attackers to cause a denial of service, preventing the addition of newly detected attack source IP addresses as blocking targets for about 10 minutes.
Understanding CVE-2020-5622
This CVE involves a vulnerability in Shadankun Server Security Type that enables remote attackers to trigger a denial of service attack.
What is CVE-2020-5622?
The vulnerability in Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier allows attackers to disrupt the system's ability to block attack source IP addresses for a short period.
The Impact of CVE-2020-5622
The exploitation of this vulnerability can lead to a denial of service condition, hindering the blocking of newly detected attack source IP addresses for approximately 10 minutes.
Technical Details of CVE-2020-5622
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in Shadankun Server Security Type (excluding normal blocking method types) Ver.1.5.3 and earlier permits remote attackers to execute a denial of service attack, impacting the system's ability to block attack source IP addresses.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a specially crafted request to the affected system, causing a denial of service and preventing the addition of new attack source IP addresses to the block list.
Mitigation and Prevention
Protecting systems from CVE-2020-5622 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that the Shadankun Server Security Type is updated to a version that addresses the vulnerability to prevent exploitation and mitigate the risk of a denial of service attack.