Stormshield Network Security up to 4.3.41/4.8.15/5.0.5 on StormShield log file

Summaryinfo

A vulnerability categorized as problematic has been discovered in Stormshield Network Security up to 4.3.41/4.8.15/5.0.5 on StormShield. This impacts an unknown function. Such manipulation leads to log file. This vulnerability is traded as CVE-2026-8482. Access to the local network is required for this attack to succeed. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Stormshield Network Security up to 4.3.41/4.8.15/5.0.5 on StormShield. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a log file vulnerability. Using CWE to declare the problem leads to CWE-532. Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information. Impacted is confidentiality. CVE summarizes:

A vulnerability was discovered on StormShield Network Security 4.3.0 to 4.3.41 (included), 4.8.0 to 4.8.15 (included) , 5.0.0 to 5.0.5 (included) There is a possible leak of secret information if administration commands have been passed with the CLI command line tool. Someone with SSH access to the firewall (if SSH multiuser mode is enabled) could possibly get the proxy CA passphrase or TPM password.

The advisory is shared for download at advisories.stormshield.eu. This vulnerability is handled as CVE-2026-8482 since 05/13/2026. The exploitation is known to be easy. The attack can only be done within the local network. Additional levels of successful authentication are needed for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-41271). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Stormshield

Name

• Network Security

Version

• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.3.5
• 4.3.6
• 4.3.7
• 4.3.8
• 4.3.9
• 4.3.10
• 4.3.11
• 4.3.12
• 4.3.13
• 4.3.14
• 4.3.15
• 4.3.16
• 4.3.17
• 4.3.18
• 4.3.19
• 4.3.20
• 4.3.21
• 4.3.22
• 4.3.23
• 4.3.24
• 4.3.25
• 4.3.26
• 4.3.27
• 4.3.28
• 4.3.29
• 4.3.30
• 4.3.31
• 4.3.32
• 4.3.33
• 4.3.34
• 4.3.35
• 4.3.36
• 4.3.37
• 4.3.38
• 4.3.39
• 4.3.40
• 4.3.41
• 4.8.0
• 4.8.1
• 4.8.2
• 4.8.3
• 4.8.4
• 4.8.5
• 4.8.6
• 4.8.7
• 4.8.8
• 4.8.9
• 4.8.10
• 4.8.11
• 4.8.12
• 4.8.13
• 4.8.14
• 4.8.15
• 5.0.0
• 5.0.1
• 5.0.2
• 5.0.3
• 5.0.4
• 5.0.5

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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