DoS on multicast routing

Advisory ID CVE Number Date discovered Severity Advisory revision
STORM-2025-002 CVE-2025-27829 11/22/2024 medium v1

Vulnerability details

On some static multicast configuration, it’s possible to stop multicast trafic by sending particuliar requests to the firewall.

Impacted products

ProductsSeverityDetail
Stormshield Network Security medium SNS is impacted.

Revisions

Version Date Description
v1 03/27/2025 Initial release


Stormshield Network Security

CVSS v3.1 Overall Score: 4.8      

Analysis

Impacted version

According to the multicast configuration applied on the SNS firewall, it may be possible to disrupt the multicast routing service currently running, resulting in a denial of service (DoS) of multicast routing.

Workaround solution

Solution

There is no workaround solution.

The following SNS firmware versions fix this vulnerability:



Attack Vector Attack Complexity Privileges Required User Interaction Scope Confidentiality Impact Integrity Impact Availability impact
Network Low None None Unchanged None None Low
CVSS Base score: 5.3 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploit Code Maturity Remediation Level Report Confidence
Proof of concept code Official fix Confirmed
CVSS Temporal score: 4.8 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C)
Confidentiality Requirement Integrity Requirement Availability Requirement
Medium Medium Medium
CVSS Environmental score: 4.8 CVSS Vector: (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C/CR:M/IR:M/AR:M/MAV:X/MAC:X/MPR:X/MUI:X/MS:X/MC:X/MI:X/MA:X)