Vulnerability · Published Jan 15, 2026 · Assigned by VulnCheck
CVE-2021-47752AWebServer GhostBuilding 18 - Denial of Service (DoS)
High 7.5
In plain English
A high-severity resource allocation without limits in AWebServer GhostBuilding from Sylkat-Tools. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 51.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Sylkat-Tools | AWebServer GhostBuilding | AWebServer GhostBuilding 18 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- ExploitDB-50629 exploit
- Vendor Homepage product
- Software Download Link product