csaf_siemens - ssa-894058

SSA-894058

Vulnerability from csaf_siemens - Published: 2025-08-12 00:00 - Updated: 2025-08-12 00:00

Summary

SSA-894058: Improper Bandwidth Limitation of Network Packets Over Local USB Port Vulnerability in SIPROTEC 5

Notes

Summary

Affected SIPROTEC 5 devices do not properly limit the bandwidth for incoming network packets over their local USB port. This could allow an attacker with physical access to send specially crafted packets with high bandwidth to the affected devices thus forcing them to exhaust their memory and stop responding to any network traffic via the local USB port. Affected devices reset themselves automatically after a successful attack and the protection function is not affected of this vulnerability. Siemens has released new versions for the affected products and recommends to update to the latest versions.

General Recommendations

Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid's reliability can thus be minimized by virtue of the grid design. Siemens strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment. As a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment. Recommended security guidelines can be found at: https://www.siemens.com/gridsecurity

Additional Resources

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.

JSON

To clipboard

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    "notes": [
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        "text": "Affected SIPROTEC 5 devices do not properly limit the bandwidth for incoming network packets over their local USB port. This could allow an attacker with physical access to send specially crafted packets with high bandwidth to the affected devices thus forcing them to exhaust their memory and stop responding to any network traffic via the local USB port. Affected devices reset themselves automatically after a successful attack and the protection function is not affected of this vulnerability.\n\nSiemens has released new versions for the affected products and recommends to update to the latest versions.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "Operators of critical power systems (e.g. TSOs or DSOs) worldwide are usually required by regulations to build resilience into the power grids by applying multi-level redundant secondary protection schemes. It is therefore recommended that the operators check whether appropriate resilient protection measures are in place. The risk of cyber incidents impacting the grid\u0027s reliability can thus be minimized by virtue of the grid design.\nSiemens strongly recommends applying the provided security updates using the corresponding tooling and documented procedures made available with the product. If supported by the product, an automated means to apply the security updates across multiple product instances may be used. Siemens strongly recommends prior validation of any security update before being applied, and supervision by trained staff of the update process in the target environment. \nAs a general security measure Siemens strongly recommends to protect network access with appropriate mechanisms (e.g. firewalls, segmentation, VPN). It is advised to configure the environment according to our operational guidelines in order to run the devices in a protected IT environment.\n\nRecommended security guidelines can be found at:\n\nhttps://www.siemens.com/gridsecurity",
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          "title": "Summary"
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            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
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      "title": "CVE-2025-40570"
    }
  ]
}

CVE-2025-40570 (GCVE-0-2025-40570)

Vulnerability from cvelistv5 – Published: 2025-08-12 11:17 – Updated: 2025-08-12 20:08

Summary

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V10.0), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SA82 (CP150) (All versions < V10.0), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SD82 (CP150) (All versions < V10.0), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SJ81 (CP150) (All versions < V10.0), SIPROTEC 5 7SJ82 (CP150) (All versions < V10.0), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SK82 (CP150) (All versions < V10.0), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SL82 (CP150) (All versions < V10.0), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7ST85 (CP300) (All versions < V10.0), SIPROTEC 5 7ST86 (CP300) (All versions < V10.0), SIPROTEC 5 7SX82 (CP150) (All versions < V10.0), SIPROTEC 5 7SX85 (CP300) (All versions < V10.0), SIPROTEC 5 7SY82 (CP150) (All versions < V10.0), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT82 (CP150) (All versions < V10.0), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V10.0), SIPROTEC 5 7VU85 (CP300) (All versions < V10.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V10.0). Affected devices do not properly limit the bandwidth for incoming network packets over their local USB port. This could allow an attacker with physical access to send specially crafted packets with high bandwidth to the affected devices thus forcing them to exhaust their memory and stop responding to any network traffic via the local USB port. Affected devices reset themselves automatically after a successful attack. The protection function is not affected of this vulnerability.

Severity ?

2.4 (Low)


                        
                          CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

2.4 (Low)


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

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

siemens

References

URL

Tags

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

Impacted products

Vendor

Product

Version

Siemens

SIPROTEC 5 6MD84 (CP300)

Affected: 0 , < V10.0 (custom)

Siemens	SIPROTEC 5 6MD85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 6MD86 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 6MD89 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 6MU85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7KE85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SA82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SA86 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SA87 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SD82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SD86 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SD87 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SJ81 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SJ82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SJ85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SJ86 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SK82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SK85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SL82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SL86 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SL87 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SS85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7ST85 (CP300)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7ST86 (CP300)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SX82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SX85 (CP300)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7SY82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7UM85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7UT82 (CP150)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 7UT85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7UT86 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7UT87 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7VE85 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7VK87 (CP300)	Affected: V7.80 , < V10.0 (custom)
Siemens	SIPROTEC 5 7VU85 (CP300)	Affected: 0 , < V10.0 (custom)
Siemens	SIPROTEC 5 Compact 7SX800 (CP050)	Affected: 0 , < V10.0 (custom)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-40570",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-12T20:08:07.253344Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-12T20:08:15.284Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
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    "cna": {
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        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SD87 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
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        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SJ81 (CP150)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
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          "defaultStatus": "unknown",
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          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SJ85 (CP300)",
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          "defaultStatus": "unknown",
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              "lessThan": "V10.0",
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          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SL82 (CP150)",
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          "defaultStatus": "unknown",
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              "lessThan": "V10.0",
              "status": "affected",
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        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SL87 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
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        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SS85 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
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          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7ST85 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
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            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7ST86 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SX82 (CP150)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SX85 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7SY82 (CP150)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7UM85 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
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        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7UT82 (CP150)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
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        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7UT85 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
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        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7UT86 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
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          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7UT87 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
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          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7VE85 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7VK87 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "V7.80",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 7VU85 (CP300)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPROTEC 5 Compact 7SX800 (CP050)",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions \u003c V10.0), SIPROTEC 5 6MD85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 6MD86 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 6MD89 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 6MU85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7KE85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SA82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7SA86 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SA87 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SD82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7SD86 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SD87 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SJ81 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7SJ82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7SJ85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SJ86 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SK82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7SK85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SL82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7SL86 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SL87 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7SS85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7ST85 (CP300) (All versions \u003c V10.0), SIPROTEC 5 7ST86 (CP300) (All versions \u003c V10.0), SIPROTEC 5 7SX82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7SX85 (CP300) (All versions \u003c V10.0), SIPROTEC 5 7SY82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7UM85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7UT82 (CP150) (All versions \u003c V10.0), SIPROTEC 5 7UT85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7UT86 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7UT87 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7VE85 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7VK87 (CP300) (All versions \u003e= V7.80 \u003c V10.0), SIPROTEC 5 7VU85 (CP300) (All versions \u003c V10.0), SIPROTEC 5 Compact 7SX800 (CP050) (All versions \u003c V10.0). Affected devices do not properly limit the bandwidth for incoming network packets over their local USB port. This could allow an attacker with physical access to send specially crafted packets with high bandwidth to the affected devices thus forcing them to exhaust their memory and stop responding to any network traffic via the local USB port. Affected devices reset themselves automatically after a successful attack. The protection function is not affected of this vulnerability."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 2.4,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "baseScore": 2.4,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-12T11:17:01.195Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-894058.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2025-40570",
    "datePublished": "2025-08-12T11:17:01.195Z",
    "dateReserved": "2025-04-16T08:20:17.031Z",
    "dateUpdated": "2025-08-12T20:08:15.284Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

SSA-894058

CVE-2025-40570 (GCVE-0-2025-40570)

Tags

Sightings

Nomenclature