Vulnerability-Lookup

VAR-202407-0490

Vulnerability from variot - Updated: 2024-07-23 22:38

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. SIMATIC PCS neo is a distributed control system (DCS). SIMATIC STEP 7 (TIA Portal) is an engineering software for configuring and programming SIMATIC controllers. Totally Integrated Automation Portal (TIA Portal) is a PC software that provides the full range of Siemens digital automation services, from digital planning, integrated engineering to transparent operation

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CVE-2022-45147 (GCVE-0-2022-45147)

Vulnerability from cvelistv5 – Published: 2024-07-09 12:04 – Updated: 2025-08-27 20:32

Summary

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

8.5 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-09 13:30 UTC

CWE

CWE-502 - Deserialization of Untrusted Data

Assigner

siemens icscert root

References

1 reference

URL	Tags
https://cert-portal.siemens.com/productcert/html/…

Impacted products

6 products

Vendor	Product	Version
Siemens	SIMATIC PCS neo V4.0	Affected: 0 , < * (custom)
Siemens	SIMATIC STEP 7 V16	Affected: 0 , < * (custom)
Siemens	SIMATIC STEP 7 V17	Affected: 0 , < * (custom)
Siemens	SIMATIC STEP 7 V18	Affected: 0 , < V18 Update 2 (custom)
siemens	simatic_pcs_neo	Affected: 4.0 , < 5.0 (custom) cpe:2.3:a:siemens:simatic_pcs_neo:4.0:-::::::
siemens	simatic_step_7	Affected: 16 , < 17 (custom) Affected: 17 , < 18 (custom) Affected: 18 , < 18_update_2 (custom) cpe:2.3:h:siemens:simatic_step_7:-:::::::*

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  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2022-45147",
    "datePublished": "2024-07-09T12:04:22.545Z",
    "dateReserved": "2022-11-11T08:33:16.611Z",
    "dateUpdated": "2025-08-27T20:32:52.249Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-202407-0490

CVE-2022-45147 (GCVE-0-2022-45147)

Tags

Sightings

Nomenclature

Related by attack behaviour