What is CVE-2021-47752?

CVE-2021-47752 is a high-severity vulnerability in Sylkat-tools Awebserver, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-01-15.

How severe is CVE-2021-47752?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Sylkat-tools Awebserver

CVE-2021-47752

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 inc…

EPSS: 0.005 (38.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Sylkat-tools Awebserver — versions 18
Sylkat-tools Awebserver Ghostbuilding — versions AWebServer GhostBuilding 18

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

disclosure@vulncheck.com (Exploit, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Product, product)

Frequently asked questions

What is CVE-2021-47752?: CVE-2021-47752 is a high-severity vulnerability in Sylkat-tools Awebserver, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-01-15.
How severe is CVE-2021-47752?: High severity. CVSS v3 base score is 7.5 out of 10.