OpenCVE

Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

AV:N/AC:M/Au:N/C:P/I:P/A:P

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Synology	Router Manager

Configuration 1 [-]

cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://www.synology.com/security/advisory/Synology_SA_20_14
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058

History

No history.

MITRE

Status: PUBLISHED

Assigner: synology

Published: 2020-10-29T08:55:20.493003Z

Updated: 2024-09-16T17:18:38.304Z

Reserved: 2020-10-22T00:00:00

Link: CVE-2020-27649

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-10-29T09:15:12.717

Modified: 2024-11-21T05:21:35.417

Link: CVE-2020-27649

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "Synology Router Manager (SRM)", "vendor": "Synology", "versions": [{"lessThan": "1.2.4-8081", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2020-10-29T00:00:00", "descriptions": [{"lang": "en", "value": "Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-295", "description": "CWE-295: Improper Certificate Validation", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-10-29T20:06:17", "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_14"}, {"tags": ["x_refsource_MISC"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@synology.com", "DATE_PUBLIC": "2020-10-29T00:00:00", "ID": "CVE-2020-27649", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Synology Router Manager (SRM)", "version": {"version_data": [{"affected": "<", "version_affected": "<", "version_value": "1.2.4-8081"}]}}]}, "vendor_name": "Synology"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate."}]}, "impact": {"cvss": {"baseScore": "8.3", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-295: Improper Certificate Validation"}]}]}, "references": {"reference_data": [{"name": "https://www.synology.com/security/advisory/Synology_SA_20_14", "refsource": "CONFIRM", "url": "https://www.synology.com/security/advisory/Synology_SA_20_14"}, {"name": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058", "refsource": "MISC", "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:18:45.541Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_14"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058"}]}]}, "cveMetadata": {"assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "assignerShortName": "synology", "cveId": "CVE-2020-27649", "datePublished": "2020-10-29T08:55:20.493003Z", "dateReserved": "2020-10-22T00:00:00", "dateUpdated": "2024-09-16T17:18:38.304Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "7C49AB27-F80E-47E1-8A95-6F5D36FE08D1", "versionEndExcluding": "1.2.4-8081", "versionStartIncluding": "1.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Improper certificate validation vulnerability in OpenVPN client in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate."}, {"lang": "es", "value": "Una vulnerabilidad de comprobaci\u00f3n inapropiada del certificado en OpenVPN client en Synology Router Manager (SRM) versiones anteriores a 1.2.4-8081, permite a atacantes de tipo man-in-the-middle falsificar servidores y obtener informaci\u00f3n confidencial por medio de un certificado dise\u00f1ado"}], "id": "CVE-2020-27649", "lastModified": "2024-11-21T05:21:35.417", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 6.0, "source": "security@synology.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-10-29T09:15:12.717", "references": [{"source": "security@synology.com", "tags": ["Vendor Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_14"}, {"source": "security@synology.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1058"}], "sourceIdentifier": "security@synology.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "security@synology.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}