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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-47752

25
FAUCET Score

CVE-2021-47752 is a denial-of-service vulnerability affecting AWebServer GhostBuilding 18, allowing remote attackers to overwhelm the server with multiple concurrent HTTP requests, potentially crashing or rendering the service unresponsive. This high-severity vulnerability (CVSS 7.5) requires no authentication or user interaction, and can be exploited by sending high-volume requests to various endpoints, including /mysqladmin. While the FAUCET Risk Score is high at 89/100, there is currently no evidence of active exploitation, nor are there public exploit codes available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
18CPE matchmatch criteria
cpe:2.3:a:sylkat-tools:awebserver:18:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

8.7HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 17th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

play.google.com / store/apps/details
Product
exploit-db.com / exploits/50629
Exploit
sylkat-tools.rf.gd / awebserver.htm
Product