CVE-2022-45147

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

A vulnerability has been identified in SIMATIC PCS neo V4.0 (All versions), SIMATIC STEP 7 V16 (All versions), SIMATIC STEP 7 V17 (All versions), SIMATIC STEP 7 V18 (All versions < V18 Update 2). Affected applications do not properly restrict the .NET BinaryFormatter when deserializing user-controllable input. This could allow an attacker to cause a type confusion and execute arbitrary code within the affected application. This is the same issue that exists for .NET BinaryFormatter https://docs.microsoft.com/en-us/visualstudio/code-quality/ca2300.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-502

Affected software

Vendor	Product	Versions
Siemens	SIMATIC PCS neo V4.0	< *
Siemens	SIMATIC STEP 7 V16	< *
Siemens	SIMATIC STEP 7 V17	< *
Siemens	SIMATIC STEP 7 V18	< V18 Update 2
siemens	simatic_pcs_neo	>= 4.0, < 5.0
siemens	simatic_step_7	>= 16, < 17; >= 17, < 18; >= 18, < 18_update_2
siemens	simatic_step_7	>= 16, < 17; >= 17, < 18; >= 18, < 18_update_2
siemens	simatic_step_7	>= 16, < 17; >= 17, < 18; >= 18, < 18_update_2

References

Timeline

Published: Jul 9, 2024
Last modified: Jun 17, 2026
NVD status: Deferred

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