CVE Catalog

CVE-2021-47752

High
Published: Translated: NVD NIST

Summary

CVE-2021-47752 is a denial of service (DoS) vulnerability in AWebServer GhostBuilding 18. A remote attacker can overwhelm the server by sending multiple concurrent HTTP requests to various endpoints, including /mysqladmin, potentially causing a crash or making the service unresponsive.

Risk Assessment

The risk is that an attacker can effectively bring down the server, causing service unavailability for users. This can lead to downtime, loss of customer trust, and potential financial losses.

Recommendation

It is recommended to restrict access to the server, implement limits on concurrent connections, and monitor network traffic for anomalies. Consider updating the software or deploying a Web Application Firewall (WAF) as a mitigation.

Related vulnerabilities

Original NVD description (English source)

AWebServer GhostBuilding 18 contains a denial of service vulnerability that allows remote attackers to overwhelm the server by sending multiple concurrent HTTP requests. Attackers can generate high-volume requests to multiple endpoints including /mysqladmin to potentially crash or render the service unresponsive.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS