Vulnerability Description
Mercurius is a GraphQL adapter for Fastify. Any users from [email protected] to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to `/graphql` unless they are using a custom error handler. The vulnerability has been fixed in https://github.com/mercurius-js/mercurius/pull/678 and shipped as v8.11.2. As a workaround users may use a custom error handler.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mercurius Project | Mercurius | >= 8.10.0, < 8.11.2 |
Related Weaknesses (CWE)
References
- https://github.com/mercurius-js/mercurius/issues/677Issue TrackingPatchThird Party Advisory
- https://github.com/mercurius-js/mercurius/pull/678/commits/732b2f895312da8deadd7PatchThird Party Advisory
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-273r-rm8g-7f3PatchThird Party Advisory
- https://github.com/mercurius-js/mercurius/issues/677Issue TrackingPatchThird Party Advisory
- https://github.com/mercurius-js/mercurius/pull/678/commits/732b2f895312da8deadd7PatchThird Party Advisory
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-273r-rm8g-7f3PatchThird Party Advisory
FAQ
What is CVE-2021-43801?
CVE-2021-43801 is a vulnerability with a CVSS score of 7.5 (HIGH). Mercurius is a GraphQL adapter for Fastify. Any users from [email protected] to 8.11.1 are subjected to a denial of service attack by sending a malformed JSON to `/graphql` unless they are using a cust...
How severe is CVE-2021-43801?
CVE-2021-43801 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-43801?
Check the references section above for vendor advisories and patch information. Affected products include: Mercurius Project Mercurius.