Vulnerability-Lookup

FKIE_CVE-2025-15679

Vulnerability from fkie_nvd - Published: 2026-09-11 09:17 - Updated: 2026-10-14 19:10

Severity

7.3 (High) - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/S:P/AU:N/R:U/V:C/RE:L/U:Clear

Summary

Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515.

References

	URL	Tags
	5bcc34ac-0282-4e8a-96fc-046c583d3048	https://myatos.my.site.com/psmcustomer/s/contentdocument/069ci00000eNzLYAA0

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "BullSequana XH3406",
          "vendor": "Bull",
          "versions": [
            {
              "lessThan": "TS 04.05",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "BullSequana XH3515",
          "vendor": "Bull",
          "versions": [
            {
              "lessThan": "TS 43.01",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "5bcc34ac-0282-4e8a-96fc-046c583d3048"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515."
    },
    {
      "lang": "es",
      "value": "Bajo ciertas circunstancias, como por ejemplo la operaci\u00f3n de restablecimiento a los valores predeterminados de f\u00e1brica, la cuenta ra\u00edz de BMC se activa sin contrase\u00f1a en BullSequana XH3406 y XH3515."
    }
  ],
  "id": "CVE-2025-15679",
  "lastModified": "2026-10-14T19:10:00.297",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NO",
          "Recovery": "USER",
          "Safety": "PRESENT",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "CLEAR",
          "subAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "LOW",
          "subIntegrityImpact": "LOW",
          "userInteraction": "NONE",
          "valueDensity": "CONCENTRATED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:N/R:U/V:C/RE:L/U:Clear",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "LOW"
        },
        "source": "5bcc34ac-0282-4e8a-96fc-046c583d3048",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-15679",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-11T15:23:45.592824Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-11T09:17:20.067",
  "references": [
    {
      "source": "5bcc34ac-0282-4e8a-96fc-046c583d3048",
      "url": "https://myatos.my.site.com/psmcustomer/s/contentdocument/069ci00000eNzLYAA0"
    }
  ],
  "sourceIdentifier": "5bcc34ac-0282-4e8a-96fc-046c583d3048",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-258"
        }
      ],
      "source": "5bcc34ac-0282-4e8a-96fc-046c583d3048",
      "type": "Secondary"
    }
  ]
}

CVE-2025-15679 (GCVE-0-2025-15679)

Vulnerability from cvelistv5 – Published: 2026-09-11 08:02 – Updated: 2026-09-11 15:25

Title

BMC root account active without password on BullSequana XH3406 and XH3515

Summary

Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515.

Severity

7.3 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/S:P/AU:N/R:U/V:C/RE:L/U:Clear

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-11 15:23 UTC

CWE

CWE-258 - Empty password in configuration file

Assigner

Bull CNA under the ENISA root

CNA scorecard – unranked: 1 record in the last 180 days, 10 needed details

References

1 reference

URL	Tags
https://myatos.my.site.com/psmcustomer/s/contentd…	vendor-advisory

Impacted products

2 products

Vendor	Product	Version
Bull	BullSequana XH3406	Affected: 0 , < TS 04.05 (custom)
Bull	BullSequana XH3515	Affected: 0 , < TS 43.01 (custom)

Date Public

2026-09-11 08:01

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-15679",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-11T15:23:45.592824Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-11T15:25:17.549Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "BullSequana XH3406",
          "vendor": "Bull",
          "versions": [
            {
              "lessThan": "TS 04.05",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "BullSequana XH3515",
          "vendor": "Bull",
          "versions": [
            {
              "lessThan": "TS 43.01",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Reset to factory default operation."
            }
          ],
          "value": "Reset to factory default operation."
        }
      ],
      "datePublic": "2026-09-11T08:01:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515."
            }
          ],
          "value": "Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-70",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-70 Try Common or Default Usernames and Passwords"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NO",
            "Recovery": "USER",
            "Safety": "PRESENT",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "exploitMaturity": "PROOF_OF_CONCEPT",
            "privilegesRequired": "NONE",
            "providerUrgency": "CLEAR",
            "subAvailabilityImpact": "LOW",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "valueDensity": "CONCENTRATED",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/S:P/AU:N/R:U/V:C/RE:L/U:Clear",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "LOW"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-258",
              "description": "CWE-258 Empty password in configuration file",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-11T13:15:43.199Z",
        "orgId": "5bcc34ac-0282-4e8a-96fc-046c583d3048",
        "shortName": "Bull"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://myatos.my.site.com/psmcustomer/s/contentdocument/069ci00000eNzLYAA0"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cdiv\u003eApply one of the fixed Technical state mentionned above.\u003cdiv\u003e\u003cdiv\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003cbr\u003e"
            }
          ],
          "value": "Apply one of the fixed Technical state mentionned above."
        }
      ],
      "source": {
        "advisory": "PSIRT-2066",
        "discovery": "INTERNAL"
      },
      "title": "BMC root account active without password on BullSequana XH3406 and XH3515",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5bcc34ac-0282-4e8a-96fc-046c583d3048",
    "assignerShortName": "Bull",
    "cveId": "CVE-2025-15679",
    "datePublished": "2026-09-11T08:02:03.465Z",
    "dateReserved": "2026-08-04T11:26:59.448Z",
    "dateUpdated": "2026-09-11T15:25:17.549Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

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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.
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