CVE-2023-1973

highpriority · track · 0EPSS 0.013 · 70 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.28% (70th) EPSS

CVSS 7.5 · high

Is it mine?

15 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A flaw was found in Undertow package. Using the FormAuthenticationMechanism, a malicious user could trigger a Denial of Service by sending crafted requests, leading the server to an OutofMemory error, exhausting the server's memory.

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

v3.17.5highAV: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.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-20USCWE-400US

affected products (15)

Products and version ranges known to be affected.

Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat JBoss Enterprise Application Platform <8.0all versionscert_bundDE
Red Hat JBoss Enterprise Application Platform< 8.0cert_bundDE
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8< 0:2.2.30-1.SP1_redhat_00001.1.el8eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 9< 0:2.2.30-1.SP1_redhat_00001.1.el9eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7< 0:2.2.30-1.SP1_redhat_00001.1.el7eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8< 0:2.3.11-1.SP1_redhat_00001.1.el8eapenisa_euvdEU
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9< 0:2.3.11-1.SP1_redhat_00001.1.el9eapenisa_euvdEU
Red Hat Inc. Red Hat JBoss Enterprise Application Platform≤ 7.4 on RHEL 7fstec_bduRU
Red Hat Inc. Red Hat JBoss Enterprise Application Platform≤ 7.4 for RHEL 8fstec_bduRU
Red Hat Inc. Red Hat JBoss Enterprise Application Platform≤ 7.4 for RHEL 9fstec_bduRU
Red Hat Inc. Red Hat JBoss Enterprise Application Platform≤ 8fstec_bduRU
Red Hat Inc. undertow2.0.0 → 2.3.11fstec_bduRU
Maven io.undertow:undertow-core< 2.2.32.FinalosvUSpkg:maven/io.undertow/undertow-core
Maven io.undertow:undertow-core2.3.0.Alpha1 → 2.3.13.FinalosvUSpkg:maven/io.undertow/undertow-core

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1084Red Hat JBoss Enterprise Application Platform: Mehrere SchwachstellenDeutsch2024-05-09csaf · cert_bundDE
Ein entfernter anonymer Angreifer kann mehrere Schwachstellen in Red Hat JBoss Enterprise Application Platform ausnutzen, um einen Denial-of-Service-Zustand zu verursachen, Dateien zu manipulieren oder vertrauliche Informationen offenzulegen.
GHSA-97cq-f4jm-mv8hUndertow Denial of Service vulnerability2024-11-07ghsa · osvUS
A flaw was found in Undertow package. Using the FormAuthenticationMechanism, a malicious user could trigger a Denial of Service by sending crafted requests, leading the server to an OutofMemory error, exhausting the server's memory.

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 2024-11-07modified 2026-06-17

references (27)

External citations — patches, advisories, analysis.

scry

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