Siemens SCALANCE LPE9403 up to 3.x os command injection

Summaryinfo

A vulnerability marked as critical has been reported in Siemens SCALANCE LPE9403 up to 3.x. The affected element is an unknown function. The manipulation leads to os command injection. This vulnerability is documented as CVE-2025-27398. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Siemens SCALANCE LPE9403 up to 3.x. This issue affects an unknown code. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly neutralize special characters when interpreting user controlled log paths. This could allow an authenticated highly-privileged remote attacker to execute a limited set of binaries that are already present on the filesystem.

The advisory is shared at cert-portal.siemens.com. The identification of this vulnerability is CVE-2025-27398 since 02/24/2025. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/23/2025). MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 4.0 eliminates this vulnerability.

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Productinfo

Vendor

• Siemens

Name

• SCALANCE LPE9403

Version

• 3.x

License

• commercial

Website

• Vendor: https://www.siemens.com/

CPE 2.3info

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CPE 2.2info

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