CVE intelligence and bounded remediation

CVE-2022-23448 — Siemens Simatic Energy Manager Basic security vulnerability

High CVSS 7.8

A vulnerability has been identified in SIMATIC Energy Manager Basic (All versions < V7.3 Update 1), SIMATIC Energy Manager PRO (All versions < V7.3 Update 1). Affected applications improperly assign permissions to critical directories and files used by the application processes. This could allow a local unprivileged attacker to achieve code execution with ADMINISTRATOR or even NT AUTHORITY/SYSTEM privileges.

Severity
High
CVSS
7.8 (3.1)
Published
2022-04-12
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-732

Affected products

  • siemens / simatic_energy_manager_basic
  • siemens / simatic_energy_manager_basic / 7.3
  • siemens / simatic_energy_manager_pro
  • siemens / simatic_energy_manager_pro / 7.3

Matched remediation archetype

Privilege escalation and unsafe privilege management

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Check exposure

  • Map service accounts, operating-system identities, roles, capabilities, impersonation, set-user transitions, and administrative helper paths.
  • Determine whether untrusted users or lower-privilege processes can reach the affected transition or modify inputs it trusts.
  • Review file, socket, registry, device, job, container, and cloud-role permissions used before and after privilege changes.

Remediate safely

  • Apply the supported fix and redesign privileged operations as a minimal, authenticated, allowlisted interface.
  • Drop privileges before processing untrusted input, verify the drop succeeds, and remove unnecessary roles, capabilities, and write permissions.
  • Validate ownership and permissions at time of use and add explicit lower-to-higher privilege boundary tests.

Authoritative sources

Complete CVE record and remediation plan

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