CVE-2023-1108

24

FAUCET Score

CVE-2023-1108 is a denial-of-service vulnerability in Undertow, affecting NetApp and Red Hat products. The flaw, residing in SslConduit, allows an attacker to cause an infinite loop during the SSL handshake, leading to resource exhaustion. With a CVSS score of 7.5 (High), it requires no user interaction or authentication and can be exploited remotely. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:redhat:build_of_quarkus:-:::::::*
		7.0CPE matchmatch criteria	cpe:2.3:a:redhat:decision_manager:7.0:::::::*
		1.0.0CPE matchmatch criteria	cpe:2.3:a:redhat:fuse:1.0.0:::::::*
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:redhat:integration_camel_k:-:::::::*
		Range not provided by sourceCPE matchmatch criteria	cpe:2.3:a:redhat:integration_service_registry:-:::::::*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

1.77%

Probability of exploitation in next 30 days

EPSS Percentile

75.8%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0177 is in the 59th percentile among its peer group of 51,466 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 (48)

mavenpatch availablevia ghsa

Product: io.undertow:undertow-coreFixed in: 2.2.24.Final

mavenpatch availablevia ghsa

Product: io.undertow:undertow-coreFixed in: 2.3.5.Final

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application PlatformFixed in: io.undertow/undertow-core:2.2.22.SP3-redhat-00001

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-activemq-artemis-0:1.5.5.016-1.redhat_00001.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-artemis-native-1:1.5.5.016-1.redhat_00001.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-jboss-xnio-base-0:3.5.11-1.Final_redhat_00001.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-jsoup-0:1.14.2-1.redhat_00002.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-undertow-0:1.4.18-14.SP13_redhat_00001.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-wildfly-0:7.1.10-2.GA_redhat_00002.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-woodstox-core-0:5.0.3-2.redhat_00002.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7Fixed in: eap7-xml-security-0:2.0.10-2.redhat_00002.1.ep7.el7

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-jackson-annotations-0:2.10.4-3.redhat_00006.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-jackson-core-0:2.10.4-3.redhat_00006.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-jackson-databind-0:2.10.4-5.redhat_00006.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-jackson-jaxrs-providers-0:2.10.4-3.redhat_00006.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-jackson-modules-base-0:2.10.4-5.redhat_00006.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-jackson-modules-java8-0:2.10.4-2.redhat_00006.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-jboss-server-migration-0:1.7.2-16.Final_redhat_00017.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-netty-0:4.1.63-5.Final_redhat_00003.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-undertow-0:2.0.41-4.SP5_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-wildfly-0:7.3.14-3.GA_redhat_00002.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7Fixed in: eap7-wildfly-elytron-0:1.10.17-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8Fixed in: eap7-undertow-0:2.2.22-1.SP3_redhat_00002.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8Fixed in: eap7-wildfly-0:7.4.9-6.GA_redhat_00004.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8Fixed in: eap7-undertow-0:2.2.23-1.SP2_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8Fixed in: eap7-undertow-jastow-0:2.0.14-1.Final_redhat_00001.1.el8eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9Fixed in: eap7-undertow-0:2.2.22-1.SP3_redhat_00002.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9Fixed in: eap7-wildfly-0:7.4.9-6.GA_redhat_00004.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9Fixed in: eap7-undertow-0:2.2.23-1.SP2_redhat_00001.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9Fixed in: eap7-undertow-jastow-0:2.0.14-1.Final_redhat_00001.1.el9eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7Fixed in: eap7-undertow-0:2.2.22-1.SP3_redhat_00002.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7Fixed in: eap7-wildfly-0:7.4.9-6.GA_redhat_00004.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7Fixed in: eap7-undertow-0:2.2.23-1.SP2_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat Fuse 7.12Fixed in: undertow

redhatpatch availablevia redhat_api

Product: Red Hat Single Sign-On 7.6 for RHEL 8Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el8sso

redhatpatch availablevia redhat_api

Product: Red Hat Single Sign-On 7.6 for RHEL 9Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el9sso

redhatpatch availablevia redhat_api

Product: Red Hat support for Spring Boot 2.7.13Fixed in: undertow

redhatpatch availablevia redhat_api

Product: RHEL-8 based Middleware ContainersFixed in: rh-sso-7/sso76-openshift-rhel8:7.6-24

redhatpatch availablevia redhat_api

Product: RHPAM 7.13.1 asyncFixed in: undertow

redhatpatch availablevia redhat_api

Product: Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7Fixed in: eap7-undertow-jastow-0:2.0.14-1.Final_redhat_00001.1.el7eap

redhatpatch availablevia redhat_api

Product: Red Hat Single Sign-On 7Fixed in: undertow

redhatpatch availablevia redhat_api

Product: Red Hat Single Sign-On 7.6 for RHEL 7Fixed in: rh-sso7-keycloak-0:18.0.8-1.redhat_00001.1.el7sso

redhatvendor investigatingvia nvd_reference

redhatno patchvia redhat_api

Product: Red Hat build of Apicurio Registry 2Fixed in: undertow

redhatno patchvia redhat_api

Product: Red Hat Integration Camel K 1Fixed in: undertow

redhatno patchvia redhat_api

Product: Red Hat JBoss Enterprise Application Platform Expansion PackFixed in: undertow

redhatno patchvia redhat_api

Product: Red Hat OpenStack Platform 13 (Queens)Fixed in: undertow

Vendor Advisories (2)

mavenGHSA-m4mm-pg93-fv78high

Undertow denial of service vulnerability

redhatCVE-2023-1108Important

Undertow: Infinite loop in SslConduit during close

References

access.redhat.com / errata/RHSA-2023:1184

Vendor Advisory

access.redhat.com / errata/RHSA-2023:1185

Vendor Advisory

access.redhat.com / errata/RHSA-2023:1512

Vendor Advisory

access.redhat.com / errata/RHSA-2023:1513

Vendor Advisory

access.redhat.com / errata/RHSA-2023:1514

Vendor Advisory

access.redhat.com / errata/RHSA-2023:1516

Vendor Advisory

access.redhat.com / errata/RHSA-2023:2135

access.redhat.com / errata/RHSA-2023:3883

Vendor Advisory

access.redhat.com / errata/RHSA-2023:3884

Vendor Advisory

access.redhat.com / errata/RHSA-2023:3885

Vendor Advisory

access.redhat.com / errata/RHSA-2023:3888

Vendor Advisory

access.redhat.com / errata/RHSA-2023:3892

Vendor Advisory

access.redhat.com / errata/RHSA-2023:3954

Vendor Advisory

access.redhat.com / errata/RHSA-2023:4612

Vendor Advisory

access.redhat.com / security/cve/CVE-2023-1108

Vendor Advisory

bugzilla.redhat.com / show_bug.cgi

Issue Tracking

github.com / advisories/GHSA-m4mm-pg93-fv78

security.netapp.com / advisory/ntap-20231020-0002

Third Party Advisory