CVE-2023-1108

highpriority · track · 31EPSS 0.018 · 78 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.77% (78th) EPSS

CVSS 7.5 · high

Is it mine?

55 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-22

A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · secalert@redhat.com USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USprimaryCWE-835USCWE-835US

affected products (55)

Products and version ranges known to be affected.

NetApp ActiveIQ Unified Managerall versionscert_bundDEcpe:/a:netapp:active_iq_unified_manager:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat JBoss Enterprise Application Platform 7all versionscert_bundDEcpe:/a:redhat:jboss_enterprise_application_platform:7
Red Hat JBoss Enterprise Application Platform 7.4all versionscert_bundDEcpe:/a:redhat:jboss_enterprise_application_platform:7.4
Red Hat OpenShift Application Runtimesall versionscert_bundDEcpe:/a:redhat:openshift:application_runtimes
Red Hat RHEL-8 based Middleware Containers< 7.6-24enisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8< 0:2.0.14-1.Final_redhat_00001.1.el8eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8< 0:2.2.22-1.SP3_redhat_00002.1.el8eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8< 0:2.2.23-1.SP2_redhat_00001.1.el8eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8< 0:7.4.9-6.GA_redhat_00004.1.el8eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9< 0:2.0.14-1.Final_redhat_00001.1.el9eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9< 0:2.2.22-1.SP3_redhat_00002.1.el9eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9< 0:2.2.23-1.SP2_redhat_00001.1.el9eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9< 0:7.4.9-6.GA_redhat_00004.1.el9eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7< 0:2.0.14-1.Final_redhat_00001.1.el7eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7< 0:2.2.22-1.SP3_redhat_00002.1.el7eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7< 0:2.2.23-1.SP2_redhat_00001.1.el7eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7< 0:7.4.9-6.GA_redhat_00004.1.el7eapenisa_euvdEU
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7< 0:18.0.8-1.redhat_00001.1.el7ssoenisa_euvdEU
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8< 0:18.0.8-1.redhat_00001.1.el8ssoenisa_euvdEU

showing 20 of 55

advisories (6)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0611Red Hat JBoss Enterprise Application Platform: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-03-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat JBoss Enterprise Application Platform ausnutzen, um einen Denial of Service Angriff durchzuführen.
WID-SEC-W-2023-1584Red Hat Single Sign On: Mehrere SchwachstellenDeutsch2023-06-27csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Single Sign On ausnutzen, um einen Cross-Site Scripting oder Denial of Service Angriff durchzuführen.
WID-SEC-W-2023-1755IBM InfoSphere Information Server: Mehrere SchwachstellenDeutsch2023-07-16csaf · cert_bundDE
Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in IBM InfoSphere Information Server ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
WID-SEC-W-2024-0106Oracle Communications: Mehrere SchwachstellenDeutsch2024-01-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
WID-SEC-W-2025-1459Dell Data Protection Advisor: Mehrere SchwachstellenDeutsch2025-07-03csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Data Protection Advisor ausnutzen, um beliebigen Programmcode auszuführen, um einen Denial of Service Angriff durchzuführen, und um weitere nicht näher spezifizierte Angriffe durchzuführen.
GHSA-m4mm-pg93-fv78Undertow denial of service vulnerability2023-09-14ghsa · osvUS
A flaw was found in undertow. This issue makes achieving a denial of service possible due to an unexpected handshake status updated in SslConduit, where the loop never terminates.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund osv NVD CVE.org MITRE

published 2023-09-14modified 2026-06-17

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+1364 more

references (60)

External citations — patches, advisories, analysis.

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