CVE-2025-27396: High severity Siemens SCALANCE LPE9403 vulnerability
A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0). Affected devices do not properly limit the elevation of privileges required to perform certain valid functionality. This could allow an authenticated lowly-privileged remote attacker to escalate their privileges.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
SCALANCE LPE9403 (6GK5998-3GS00-2AC2)to a version that resolves this vulnerability.Fixed in V4.0
Event History
Frequently Asked Questions
What is the severity of CVE-2025-27396?
CVE-2025-27396 has a high severity rating due to its potential for privilege escalation by lowly-privileged remote attackers.
How do I fix CVE-2025-27396?
Fix CVE-2025-27396 by upgrading the SCALANCE LPE9403 firmware to version 4.0 or later.
Who is affected by CVE-2025-27396?
CVE-2025-27396 affects all versions of the SCALANCE LPE9403 device that are lower than version 4.0.
What kind of attack does CVE-2025-27396 enable?
CVE-2025-27396 enables authenticated lowly-privileged attackers to escalate privileges and perform unauthorized actions.
Is authentication required to exploit CVE-2025-27396?
Yes, an attacker must be authenticated to exploit CVE-2025-27396 and escalate privileges.