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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (40.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Hasura Graphql Engine — versions 1.3.3
- Hasura Graphql — versions 1.3.3
Weakness classification (CWE)
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.