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VAR-202007-1235

Vulnerability from variot - Updated: 2024-11-23 21:35

A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation. SIMATIC S7-200 SMART CPU Is vulnerable to a resource exhaustion.Denial of service (DoS) It may be put in a state. Siemens SIMATIC S7-200 Smart is a programmable logic controller (PLC) of Germany's Siemens (Siemens) company used in small and medium-sized automation systems. Attackers can use vulnerabilities to cause denial of service

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CVE-2020-7584 (GCVE-0-2020-7584)

Vulnerability from cvelistv5 – Published: 2020-07-14 13:18 – Updated: 2024-08-04 09:33

Summary

Severity

No CVSS data available.

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

siemens CNA under the icscert root

CNA scorecard C 65/100 over 88 records in the last 180 days details

References

1 reference

URL	Tags
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Siemens AG	SIMATIC S7-200 SMART CPU family	Affected: All versions >= V2.2 < V2.5.1

Show details on NVD website

JSON

To clipboard

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          "lang": "en",
          "value": "A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions \u003e= V2.2 \u003c V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation."
        }
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      "problemTypes": [
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              "cweId": "CWE-400",
              "description": "CWE-400: Uncontrolled Resource Consumption",
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        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2020-7584",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
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                    {
                      "product_name": "SIMATIC S7-200 SMART CPU family",
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                        "version_data": [
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                            "version_value": "All versions \u003e= V2.2 \u003c V2.5.1"
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        },
        "problemtype": {
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        "references": {
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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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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.

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