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CVE-2024-8391

22
FAUCET Score

CVE-2024-8391 is a high-severity denial-of-service vulnerability affecting Eclipse Vert.x gRPC servers (versions 4.3.0 to 4.5.9) that do not limit message payload length. This allows an unauthenticated attacker to remotely trigger a denial of service by sending excessively large messages. The CVSS score is 7.5, indicating a high impact on availability with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.3.0, < 4.5.10CPE matchmatch criteria
cpe:2.3:a:eclipse:vert.x:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.9MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 21st percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (22)

mavenpatch availablevia ghsa
Product: io.vertx:vertx-grpc-clientFixed in: 4.5.10
mavenpatch availablevia ghsa
Product: io.vertx:vertx-grpc-serverFixed in: 4.5.10
redhatpatch availablevia redhat_api
Product: Red Hat build of Apache Camel 4 for Quarkus 3Fixed in: io.vertx/vertx-grpc-server
View patch
redhatpatch availablevia redhat_api
Product: Red Hat build of Quarkus 3.8.6.redhatFixed in: io.vertx/vertx-grpc-client:4.5.7.redhat-00003
View patch
redhatpatch availablevia redhat_api
Product: Red Hat build of Quarkus 3.8.6.redhatFixed in: io.vertx/vertx-grpc-server:4.5.7.redhat-00003
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss EAP XP 5.0 Update 1.0Fixed in: io.vertx/vertx-grpc
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-data-index-ephemeral-rhel8:1.34.0-6
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-data-index-postgresql-rhel8:1.34.0-6
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-jobs-service-ephemeral-rhel8:1.34.0-5
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-jobs-service-postgresql-rhel8:1.34.0-6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat build of Apache Camel 4 for Quarkus 3Fixed in: io.vertx/vertx-grpc-client
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-management-console-rhel8:1.34.0-5
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-operator-bundle:1.34.0-5
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-rhel8-operator:1.34.0-5
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-swf-builder-rhel8:1.34.0-6
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-swf-devmode-rhel8:1.34.0-6
View patch
redhatpatch availablevia redhat_api
Product: RHOSS-1.34-RHEL-8Fixed in: openshift-serverless-1/logic-kn-workflow-cli-artifacts-rhel8:1.34.0-2
View patch
redhatno patchvia redhat_api
Product: Red Hat JBoss Enterprise Application Platform Expansion PackFixed in: io.vertx/vertx-grpc
redhatno patchvia redhat_api
Product: OpenShift ServerlessFixed in: io.vertx/vertx-grpc-server
redhatno patchvia redhat_api
Product: Red Hat build of QuarkusFixed in: io.vertx.vertx-grpc-server
redhatend of lifevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 8Fixed in: io.vertx/vertx-grpc-client
redhatend of lifevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 8Fixed in: io.vertx/vertx-grpc-server

Vendor Advisories (2)

mavenGHSA-g76f-gjfx-4rprmedium

Vertx gRPC server does not limit the maximum message size

Sep 4, 2024
redhatCVE-2024-8391Moderate

io.vertx:vertx-grpc-client: io.vertx:vertx-grpc-server: Vertx gRPC server does not limit the maximum message size

Sep 4, 2024

References

github.com / eclipse-vertx/vertx-grpc/issues/113
Issue Tracking
gitlab.eclipse.org / security/cve-assignement/-/issues/31
Issue TrackingVendor Advisory