CVE-2023-22477CWE-248

Mercurius is vulnerable to denial of service (DoS) when using subscriptions

Medium · published January 9, 2023

CVSS v3.1
5.3
EPSS
1%
Percentile
65.0
In the wild
Unconfirmed
What it is

Mercurius is a GraphQL adapter for Fastify. Any users of Mercurius until version 10.5.0 are subjected to a denial of service attack by sending a malformed packet over WebSocket to `/graphql`. This issue was patched in #940. As a workaround, users can disable subscriptions.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.01086 · 65.0th percentile
Weakness
CWE-248 · Uncaught Exception
Published
2023-01-09T14:12Z
EPSS history
Timeline
  • 09 JAN 14:12Z
    Mercurius is vulnerable to denial of service (DoS) when using subscriptions
    cvelistv5