Vulnerability Details CVE-2021-43801
Mercurius is a GraphQL adapter for Fastify. Any users from Mercurius@8.10.0 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 57.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- https://github.com/mercurius-js/mercurius/issues/677
- https://github.com/mercurius-js/mercurius/pull/678/commits/732b2f895312da8deadd7b173dcd2d141d54b223
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-273r-rm8g-7f3x
- https://github.com/mercurius-js/mercurius/issues/677
- https://github.com/mercurius-js/mercurius/pull/678/commits/732b2f895312da8deadd7b173dcd2d141d54b223
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-273r-rm8g-7f3x
Products affected by CVE-2021-43801
-
cpe:2.3:a:mercurius_project:mercurius:8.10.0
-
cpe:2.3:a:mercurius_project:mercurius:8.11.0
-
cpe:2.3:a:mercurius_project:mercurius:8.11.1