Vulnerability-Lookup

CERTFR-2026-AVI-0364

Vulnerability from certfr_avis - Published: 2026-03-27 - Updated: 2026-03-27

De multiples vulnérabilités ont été découvertes dans les produits Siemens. Elles permettent à un attaquant de provoquer un déni de service à distance.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

	Vendor	Product	Description
	Siemens	CPCI85 Central Processing/Communication	CPCI85 Central Processing/Communication versions antérieures à 26.10
	Siemens	SICORE Base system	SICORE Base system versions antérieures à 26.10.0

References

Title

Publication Time

Tags

Bulletin de sécurité Siemens SSA-246443

2026-03-26

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "CPCI85 Central Processing/Communication versions ant\u00e9rieures \u00e0 26.10",
      "product": {
        "name": "CPCI85 Central Processing/Communication",
        "vendor": {
          "name": "Siemens",
          "scada": true
        }
      }
    },
    {
      "description": "SICORE Base system versions ant\u00e9rieures \u00e0 26.10.0",
      "product": {
        "name": "SICORE Base system",
        "vendor": {
          "name": "Siemens",
          "scada": true
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-27663",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-27663"
    },
    {
      "name": "CVE-2026-27664",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-27664"
    }
  ],
  "initial_release_date": "2026-03-27T00:00:00",
  "last_revision_date": "2026-03-27T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0364",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-03-27T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Siemens. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Siemens",
  "vendor_advisories": [
    {
      "published_at": "2026-03-26",
      "title": "Bulletin de s\u00e9curit\u00e9 Siemens SSA-246443",
      "url": "https://cert-portal.siemens.com/productcert/html/ssa-246443.html"
    }
  ]
}

CVE-2026-27664 (GCVE-0-2026-27664)

Vulnerability from cvelistv5 – Published: 2026-03-26 14:03 – Updated: 2026-03-26 18:24

Summary

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), SICORE Base system (All versions < V26.10.0). The affected application contains an out-of-bounds write vulnerability while parsing specially crafted XML inputs. This could allow an unauthenticated attacker to exploit this issue by sending a malicious XML request, which may cause the service to crash, resulting in a denial-of-service condition.

Severity ?

7.5 (High)


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

8.7 (High)


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

CWE

CWE-787 - Out-of-bounds Write

Assigner

siemens

References

URL

Tags

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

Impacted products

Vendor

Product

Version

Siemens

CPCI85 Central Processing/Communication

Affected: 0 , < V26.10 (custom)

Siemens

SICORE Base system

Affected: 0 , < V26.10.0 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-27664",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-26T17:50:28.782194Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-26T18:24:41.814Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "CPCI85 Central Processing/Communication",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SICORE Base system",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.10.0",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions \u003c V26.10), SICORE Base system (All versions \u003c V26.10.0). The affected application contains an out-of-bounds write vulnerability while parsing specially crafted XML inputs. This could allow an unauthenticated attacker to exploit this issue by sending a malicious XML request, which may cause the service to crash, resulting in a denial-of-service condition."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "CWE-787: Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-26T14:03:21.993Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-246443.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2026-27664",
    "datePublished": "2026-03-26T14:03:21.993Z",
    "dateReserved": "2026-02-23T10:07:00.531Z",
    "dateUpdated": "2026-03-26T18:24:41.814Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-27663 (GCVE-0-2026-27663)

Vulnerability from cvelistv5 – Published: 2026-03-26 14:03 – Updated: 2026-03-28 02:21

Summary

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), RTUM85 RTU Base (All versions < V26.10). The affected application contains denial-of-service (DoS) vulnerability. The remote operation mode is susceptible to a resource exhaustion condition when subjected to a high volume of requests. Sending multiple requests can exhaust resources, preventing parameterization and requiring a reset or reboot to restore functionality.

Severity ?

6.5 (Medium)


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

7.1 (High)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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

CPCI85 Central Processing/Communication

Affected: 0 , < V26.10 (custom)

Siemens

RTUM85 RTU Base

Affected: 0 , < V26.10 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-27663",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-28T02:21:26.495215Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-28T02:21:37.494Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "CPCI85 Central Processing/Communication",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "RTUM85\u00a0RTU Base",
          "vendor": "Siemens",
          "versions": [
            {
              "lessThan": "V26.10",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions \u003c V26.10), RTUM85\u00a0RTU Base (All versions \u003c V26.10). The affected application contains denial-of-service (DoS) vulnerability. The remote operation mode is susceptible to a resource exhaustion condition when subjected to a high volume of requests. Sending multiple requests can exhaust resources, preventing parameterization and requiring a reset or reboot to restore functionality."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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": "2026-03-26T14:03:20.787Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/html/ssa-246443.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2026-27663",
    "datePublished": "2026-03-26T14:03:20.787Z",
    "dateReserved": "2026-02-23T10:07:00.530Z",
    "dateUpdated": "2026-03-28T02:21:37.494Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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

CERTFR-2026-AVI-0364

Solutions

CVE-2026-27664 (GCVE-0-2026-27664)

CVE-2026-27663 (GCVE-0-2026-27663)

Tags

Sightings

Nomenclature