Vulnerability-Lookup

FKIE_CVE-2025-13392

Vulnerability from fkie_nvd - Published: 2026-05-27 09:16 - Updated: 2026-06-17 08:34

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN).

References

	URL	Tags
	security@synology.com	https://www.synology.com/en-global/security/advisory/Synology_SA_25_14	Vendor Advisory

Impacted products

	Vendor	Product	Version
	synology	diskstation_manager	*
	synology	diskstation_manager	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "DiskStation Manager (DSM)",
          "vendor": "Synology",
          "versions": [
            {
              "lessThan": "7.3.1-86003-1",
              "status": "affected",
              "version": "7.3",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.2-72806-5",
              "status": "affected",
              "version": "7.2.2",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.1.*",
              "status": "unaffected",
              "version": "7.2.1",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.1",
              "status": "unknown",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@synology.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A1D5A65E-BE7D-4F2B-A41D-B16CD8610F45",
              "versionEndExcluding": "7.2.2-72806-5",
              "versionStartIncluding": "7.2.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C47B4CD1-7D41-4E90-A6F4-21E4A3B96E95",
              "versionEndIncluding": "7.3.1-86003-1",
              "versionStartIncluding": "7.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN)."
    }
  ],
  "id": "CVE-2025-13392",
  "lastModified": "2026-06-17T08:34:02.527",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "security@synology.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-13392",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-27T13:44:25.310637Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-27T09:16:26.607",
  "references": [
    {
      "source": "security@synology.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_14"
    }
  ],
  "sourceIdentifier": "security@synology.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ],
      "source": "security@synology.com",
      "type": "Secondary"
    }
  ]
}

CVE-2025-13392 (GCVE-0-2025-13392)

Vulnerability from cvelistv5 – Published: 2026-05-27 08:36 – Updated: 2026-05-27 13:44

Summary

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-27 13:44 UTC

CWE

CWE-754 - Improper Check for Unusual or Exceptional Conditions

Assigner

synology mitre root

References

1 reference

URL	Tags
https://www.synology.com/en-global/security/advis…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Synology	DiskStation Manager (DSM)	Affected: 7.3 , < 7.3.1-86003-1 (semver) Affected: 7.2.2 , < 7.2.2-72806-5 (semver) Unaffected: 7.2.1 , < 7.2.1.* (semver) Unknown: 0 , < 7.2.1 (semver)

Credits

Le Trong Phuc (chanze@VRC) and Cao Ngoc Quy (Chino Kafuu)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-13392",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-27T13:44:25.310637Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-27T13:44:34.268Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "DiskStation Manager (DSM)",
          "vendor": "Synology",
          "versions": [
            {
              "lessThan": "7.3.1-86003-1",
              "status": "affected",
              "version": "7.3",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.2-72806-5",
              "status": "affected",
              "version": "7.2.2",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.1.*",
              "status": "unaffected",
              "version": "7.2.1",
              "versionType": "semver"
            },
            {
              "lessThan": "7.2.1",
              "status": "unknown",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Le Trong Phuc (chanze@VRC) and Cao Ngoc Quy (Chino Kafuu)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name (DN)."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-754",
              "description": "Improper Check for Unusual or Exceptional Conditions",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T08:36:06.463Z",
        "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
        "shortName": "synology"
      },
      "references": [
        {
          "name": "Synology-SA-25:14 DSM (PWN2OWN 2025)",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://www.synology.com/en-global/security/advisory/Synology_SA_25_14"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01",
    "assignerShortName": "synology",
    "cveId": "CVE-2025-13392",
    "datePublished": "2026-05-27T08:36:06.463Z",
    "dateReserved": "2025-11-19T00:37:57.748Z",
    "dateUpdated": "2026-05-27T13:44:34.268Z",
    "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.

Detection rules are retrieved from Rulezet.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.