certfr_avis - CERTFR-2025-AVI-0257

CERTFR-2025-AVI-0257

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été découverte dans Synology Mail Server. Elle permet à un attaquant de provoquer une atteinte à la confidentialité des données, une atteinte à l'intégrité des données et un contournement de la politique de sécurité.

Solutions

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

Impacted products

	Vendor	Product	Description
	Synology	Mail Server	Mail Server versions antérieures à 1.7.6-10676 pour DSM 7.1
	Synology	Mail Server	Mail Server versions antérieures à 1.7.6-20676 pour DSM 7.2

References

Title

Publication Time

Tags

Bulletin de sécurité Synology Synology_SA_25_05

2025-03-27

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Mail Server versions ant\u00e9rieures \u00e0 1.7.6-10676 pour DSM 7.1",
      "product": {
        "name": "Mail Server",
        "vendor": {
          "name": "Synology",
          "scada": false
        }
      }
    },
    {
      "description": "Mail Server versions ant\u00e9rieures \u00e0 1.7.6-20676 pour DSM 7.2",
      "product": {
        "name": "Mail Server",
        "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-2025-2848",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-2848"
    }
  ],
  "links": [],
  "reference": "CERTFR-2025-AVI-0257",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-03-31T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Synology Mail Server. Elle permet \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es, une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es et un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Vuln\u00e9rabilit\u00e9 dans Synology Mail Server",
  "vendor_advisories": [
    {
      "published_at": "2025-03-27",
      "title": "Bulletin de s\u00e9curit\u00e9 Synology Synology_SA_25_05",
      "url": "https://www.synology.com/fr-fr/security/advisory/Synology_SA_25_05"
    }
  ]
}

CVE-2025-2848 (GCVE-0-2025-2848)

Vulnerability from cvelistv5 – Published: 2025-12-04 15:05 – Updated: 2025-12-04 20:01

Summary

A vulnerability in Synology Mail Server allows remote authenticated attackers to read and write non-sensitive settings, and disable some non-critical functions.

Severity ?

6.3 (Medium)


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

CWE

CWE-862 - Missing Authorization

Assigner

synology

References

URL

Tags

https://www.synology.com/en-global/security/advis…

vendor-advisory

Impacted products

	Vendor	Product	Version
	Synology	Synology Mail Server	Affected: * , < 1.7.6-10676 (semver) Affected: * , < 1.7.6-20676 (semver)

Credits

Chanin Kim of ENKI Whitehat

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-2848",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-04T18:55:09.654278Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-04T20:01:25.611Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "Synology Mail Server",
          "vendor": "Synology",
          "versions": [
            {
              "lessThan": "1.7.6-10676",
              "status": "affected",
              "version": "*",
              "versionType": "semver"
            },
            {
              "lessThan": "1.7.6-20676",
              "status": "affected",
              "version": "*",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Chanin Kim of ENKI Whitehat"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in Synology Mail Server allows remote authenticated attackers to read and write non-sensitive settings, and disable some non-critical functions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-04T15:05:20.861Z",
        "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "shortName": "synology"
      },
      "references": [
        {
          "name": "Synology-SA-25:05 Mail Server",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_05"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
    "assignerShortName": "synology",
    "cveId": "CVE-2025-2848",
    "datePublished": "2025-12-04T15:05:20.861Z",
    "dateReserved": "2025-03-27T06:13:12.650Z",
    "dateUpdated": "2025-12-04T20:01:25.611Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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-2025-AVI-0257

Solutions

CVE-2025-2848 (GCVE-0-2025-2848)

Tags

Sightings

Nomenclature