VulnerabilityModified
CVE-2023-22477
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`.
HIGH 7.5EPSS 1.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.06% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-248
- Affected
- mercurius project/mercurius
- Source
- security-advisories@github.com
References
- https://github.com/mercurius-js/mercurius/issues/939Exploit, Issue Tracking, Third Party Advisory
- https://github.com/mercurius-js/mercurius/pull/940Patch, Third Party Advisory
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfcPatch, Third Party Advisory
- https://github.com/mercurius-js/mercurius/issues/939Exploit, Issue Tracking, Third Party Advisory
- https://github.com/mercurius-js/mercurius/pull/940Patch, Third Party Advisory
- https://github.com/mercurius-js/mercurius/security/advisories/GHSA-cm8h-q92v-xcfcPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.