Is there a public exploit for CVE-2024-3884?

No public exploit for CVE-2024-3884 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2024-3884?

CVE-2024-3884 scores CVSS 7.5 (v3.1), rated high. EPSS puts the chance of exploitation in the next 30 days at 1.46%.

What does CVE-2024-3884 affect?

CVE-2024-3884 affects Red Hat Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8, Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9, Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7, Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7.

7.5 High

A flaw was found in Undertow that can cause remote denial of service attacks.

CVE-2024-3884

A flaw was found in Undertow that can cause remote denial of service attacks. When the server uses the FormEncodedDataDefinition.doParse(StreamSourceChannel) method to parse large form data encoding with application/x-www-form-urlencoded, the method will cause an OutOfMemory issue. This flaw allows unauthorized users to cause a remote denial of service (DoS) attack.

Assessment

CVSS: 7.5 (v3.1)
Severity: High
EPSS: 1.46% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 December 2025
Last updated: 5 November 2026
Affected: Red Hat · Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 · Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7 · Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 · Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
Assigner: redhat

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

At the source

EUVD (ENISA)

References

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