certfr_avis - certfr-2025-avi-0425

CERTFR-2025-AVI-0425

Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Synology Active Backup. Elle permet à un attaquant de provoquer une atteinte à la confidentialité des données.

Solutions

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

Impacted products

	Vendor	Product	Description
	Synology	Active Backup	Active Backup for Microsoft 365 sans les derniers correctifs de sécurité

References

Title

Publication Time

Tags

Bulletin de sécurité Synology Synology_SA_25_06

2025-05-17

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Active Backup for Microsoft 365 sans les derniers correctifs de s\u00e9curit\u00e9",
      "product": {
        "name": "Active Backup",
        "vendor": {
          "name": "Synology",
          "scada": false
        }
      }
    }
  ],
  "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-2025-4679",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-4679"
    }
  ],
  "initial_release_date": "2025-05-19T00:00:00",
  "last_revision_date": "2025-05-19T00:00:00",
  "links": [],
  "reference": "CERTFR-2025-AVI-0425",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-05-19T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Synology Active Backup. Elle permet \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Vuln\u00e9rabilit\u00e9 dans les produits Synology",
  "vendor_advisories": [
    {
      "published_at": "2025-05-17",
      "title": "Bulletin de s\u00e9curit\u00e9 Synology Synology_SA_25_06",
      "url": "https://www.synology.com/fr-fr/security/advisory/Synology_SA_25_06"
    }
  ]
}

CVE-2025-4679 (GCVE-0-2025-4679)

Vulnerability from cvelistv5

Published

2025-05-16 08:36

Modified

2025-07-02 11:50

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-522 - Insufficiently Protected Credentials

Summary

A vulnerability in Synology Active Backup for Microsoft 365 allows remote authenticated attackers to obtain sensitive information via unspecified vectors.

References

URL

Tags

https://www.synology.com/en-global/security/advisory/Synology_SA_25_06

vendor-advisory

Impacted products

	Vendor	Product	Version
	Synology	Active Backup for Microsoft 365	Version: N/A

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-4679",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-16T15:28:50.616129Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-16T15:29:01.792Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-07-02T11:50:13.308Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://modzero.com/en/blog/when-backups-open-backdoors-synology-active-backup-m365/"
          },
          {
            "url": "https://modzero.com/static/MZ-25-02_modzero_Synology-Active-Backup-M365.pdf"
          }
        ],
        "title": "CVE Program Container",
        "x_generator": {
          "engine": "ADPogram 0.0.1"
        }
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Unknown"
          ],
          "product": "Active Backup for Microsoft 365",
          "vendor": "Synology",
          "versions": [
            {
              "status": "affected",
              "version": "N/A"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Leonid Hartmann of modzero"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in Synology Active Backup for Microsoft 365 allows remote authenticated attackers to obtain sensitive information via unspecified vectors."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-522",
              "description": "Insufficiently Protected Credentials",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-17T10:04:09.046Z",
        "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "shortName": "synology"
      },
      "references": [
        {
          "name": "Synology-SA-25:06 Active Backup for Microsoft 365",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_06"
        }
      ],
      "tags": [
        "exclusively-hosted-service"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
    "assignerShortName": "synology",
    "cveId": "CVE-2025-4679",
    "datePublished": "2025-05-16T08:36:37.066Z",
    "dateReserved": "2025-05-14T08:49:02.121Z",
    "dateUpdated": "2025-07-02T11:50:13.308Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CERTFR-2025-AVI-0425

Vulnerability from certfr_avis

Solutions

CVE-2025-4679 (GCVE-0-2025-4679)

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature