What is the CVSS score of CVE-2025-24970?

CVE-2025-24970 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.0%.

Which versions of Netty are affected by CVE-2025-24970?

Organizations using version 4.1.91.Final and face notable risk from CVE-2025-24970, a input validation vulnerability rated CVSS 7.5.. A patch is available.

Is there a public PoC exploit available for CVE-2025-24970?

Yes, a public proof-of-concept exploit is available for CVE-2025-24970. Prioritise patching immediately. EPSS: 1.0%.

How to fix or mitigate CVE-2025-24970?

Within 7 days: Identify all affected systems running version 4.1.91.Final and and apply vendor patches promptly. Vendor patch is available.

Netty CVE-2025-24970

HIGH

Improper Input Validation (CWE-20)

2025-02-10 security-advisories@github.com

Denial Of Service Netty Active Iq Unified Manager Oncommand Insight Red Hat Suse

7.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.5 HIGH

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

SUSE

HIGH

qualitative

Red Hat

7.5 HIGH

qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

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

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:25 vuln.today

Patch released

Mar 28, 2026 - 18:25 nvd

Patch available

PoC Detected

Sep 05, 2025 - 17:20 vuln.today

Public exploit code

CVE Published

Feb 10, 2025 - 22:15 nvd

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

2,019 maven packages depend on io.netty:netty-handler (70 direct, 1,950 indirect)

Ecosystem-wide dependent count for version 4.1.91.Final.

DescriptionGitHub Advisory

Netty, an asynchronous, event-driven network application framework, has a vulnerability starting in version 4.1.91.Final and prior to version 4.1.118.Final. When a special crafted packet is received via SslHandler it doesn't correctly handle validation of such a packet in all cases which can lead to a native crash. Version 4.1.118.Final contains a patch. As workaround its possible to either disable the usage of the native SSLEngine or change the code manually.

AnalysisAI

Netty, an asynchronous, event-driven network application framework, has a vulnerability starting in version 4.1.91.Final and prior to version 4.1.118.Final. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-20. Netty, an asynchronous, event-driven network application framework, has a vulnerability starting in version 4.1.91.Final and prior to version 4.1.118.Final. When a special crafted packet is received via SslHandler it doesn't correctly handle validation of such a packet in all cases which can lead to a native crash. Version 4.1.118.Final contains a patch. As workaround its possible to either disable the usage of the native SSLEngine or change the code manually. Affected products include: Netty, Netapp Active Iq Unified Manager, Netapp Oncommand Insight. Version information: version 4.1.91..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Vendor StatusVendor

SUSE

Severity: High

Product	Status
Container suse/manager/5.0/x86_64/server:5.0.4.7.19.1 Container suse/multi-linux-manager/5.1/x86_64/server:5.1.0.6.40 Image server-image	Affected
SUSE Enterprise Storage 7.1	Fixed
SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise High Performance Computing 15 SP6 SUSE Linux Enterprise Module for Development Tools 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6	Fixed
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Development Tools 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7	Fixed
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS	Fixed

CVE-2025-24970 vulnerability details – vuln.today

Back

Netty CVE-2025-24970

Severity by source

CVSS VectorGitHub Advisory

Lifecycle Timeline

Blast Radius

DescriptionGitHub Advisory

AnalysisAI

Technical ContextAI

RemediationAI

More in Netty

Same weakness CWE-20 – Improper Input Validation

Same technique Denial Of Service

Vendor StatusVendor

SUSE

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External POC / Exploit Code