CVE-2021-47713: graphql engine DoS — Exploit

Description

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
hasura	graphql_engine	All

References

Exploits

https://www.exploit-db.com/exploits/49789 https://www.vulncheck.com/advisories/hasura-graphql-denial-of-service-via-malicious-graphql-query

Other References

https://github.com/hasura/graphql-engine

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-47713? +

CVE-2021-47713 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2021-47713? +

CVE-2021-47713 affects products from hasura, specifically: graphql_engine. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2021-47713? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2021-47713