What is the CVSS score of CVE-2021-47752?

CVE-2021-47752 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Which versions of MySQL are affected by CVE-2021-47752?

Organizations using AWebServer GhostBuilding 18 face notable risk from CVE-2021-47752 rated CVSS 7.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2021-47752?

Yes, a public proof-of-concept exploit is available for CVE-2021-47752. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2021-47752?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

MySQL CVE-2021-47752

HIGH

Allocation of Resources Without Limits or Throttling (CWE-770)

2026-01-15 disclosure@vulncheck.com

MySQL Denial Of Service Awebserver

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 23, 2026 - 18:32 vuln.today

Public exploit code

CVE Published

Jan 15, 2026 - 16:16 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

Awebserver versions up to 18 is affected by allocation of resources without limits or throttling (CVSS 7.5).

Technical ContextAI

This vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) affects Awebserver. 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.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

CVE-2021-47752 vulnerability details – vuln.today

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MySQL CVE-2021-47752

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code