CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/mercurius-js/mercurius/pull/678/commits/732b2f895312da8deadd7b173dcd2d141d54b223 Patch Third Party Advisory
https://github.com/mercurius-js/mercurius/security/advisories/GHSA-273r-rm8g-7f3x Patch Third Party Advisory
https://github.com/mercurius-js/mercurius/issues/677 Issue Tracking Patch
Configurations

Configuration 1

cpe:2.3:a:mercurius_project:mercurius:*:*:*:*:*:node.js:*:*
Information

Published : 2021-12-13 08:15

Updated : 2021-12-15 09:46

NVD link : CVE-2021-43801

Mitre link : CVE-2021-43801

Products Affected
No products.
CWE
CWE-754