Stormshield Network Security up to 4.3.34 Multicast Stream denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Stormshield Network Security up to 4.3.34. Affected is an unknown function of the component Multicast Stream Handler. The manipulation results in denial of service. This vulnerability is known as CVE-2025-27829. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Stormshield Network Security up to 4.3.34. It has been classified as problematic. Affected is an unknown functionality of the component Multicast Stream Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

An issue was discovered in Stormshield Network Security (SNS) 4.3.x before 4.3.35. If multicast streams are enabled on different interfaces, it may be possible to interrupt multicast traffic on some of these interfaces. That could result in a denial of the multicast routing service on the firewall.

The advisory is available at advisories.stormshield.eu. This vulnerability is traded as CVE-2025-27829 since 03/07/2025. The technical details are unknown and an exploit is not available.

Upgrading to version 4.3.35 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-9329). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Network Security 4.3.35

Timelineinfo

03/07/2025 🔍
04/01/2025 +24 days 🔍
04/01/2025 +0 days 🔍
06/08/2025 +68 days 🔍

Sourcesinfo

Advisory: advisories.stormshield.eu
Status: Confirmed

CVE: CVE-2025-27829 (🔍)
GCVE (CVE): GCVE-0-2025-27829
GCVE (VulDB): GCVE-100-302730
EUVD: 🔍

Entryinfo

Created: 04/01/2025 21:03
Updated: 06/08/2025 07:02
Changes: 04/01/2025 21:03 (55), 06/08/2025 07:02 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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