What is CVE-2021-47713?

CVE-2021-47713 is a high-severity vulnerability in Hasura Graphql Engine, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-12-22.

How severe is CVE-2021-47713?

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

Resource exhaustion in Hasura Graphql Engine

CVE-2021-47713

Hasura GraphQL 1.3.3 contains a denial of service vulnerability that allows attackers to overwhelm the service by crafting malicious GraphQL queries with excessive nested fields. Attackers can send repeated requests with extremely long query strings and multiple threads to consume server resources and potentially crash the GraphQL endpoint.

EPSS: 0.005 (38.9th 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

Hasura Graphql_engine — versions 1.3.3
Hasura Graphql — versions 1.3.3

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

ExploitDB-49789 (Exploit, exploit)
Hasura GraphQL Engine GitHub Repository (Product, product)
VulnCheck Advisory: Hasura GraphQL 1.3.3 Denial of Service via Malicious GraphQL Query (Exploit, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-47713?: CVE-2021-47713 is a high-severity vulnerability in Hasura Graphql Engine, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-12-22.
How severe is CVE-2021-47713?: High severity. CVSS v3 base score is 7.5 out of 10.