CVE-2021-34811 - Vulnerability Details - OpenCVE

Description

Server-Side Request Forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to access intranet resources via unspecified vectors.

Published: 2021-06-18

Score: 5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Synology

Download Station

affected

Version	Status	Constraints
`unspecified`	affected	< 3.8.16-3566

Configuration 1 [-]

cpe:2.3:a:synology:download_station:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21458	Server-Side Request Forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to access intranet resources via unspecified vectors.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00215.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.synology.com/security/advisory/Synology_SA_21_11

History

No history.

Subscriptions

Synology Download Station

MITRE

Status: PUBLISHED

Assigner: synology

Published: 2021-06-18T03:00:18.181Z

Updated: 2024-09-16T17:48:15.120Z

Reserved: 2021-06-16T00:00:00.000Z

Link: CVE-2021-34811

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-06-18T03:15:06.943

Modified: 2024-11-21T06:11:15.150

Link: CVE-2021-34811

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-918

{"containers": {"cna": {"affected": [{"product": "Download Station", "vendor": "Synology", "versions": [{"lessThan": "3.8.16-3566", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-06-17T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Server-Side Request Forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to access intranet resources via unspecified vectors."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-06-18T03:00:18.000Z", "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.synology.com/security/advisory/Synology_SA_21_11"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@synology.com", "DATE_PUBLIC": "2021-06-17T07:11:10.759394", "ID": "CVE-2021-34811", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Download Station", "version": {"version_data": [{"affected": "<", "version_affected": "<", "version_value": "3.8.16-3566"}]}}]}, "vendor_name": "Synology"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Server-Side Request Forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to access intranet resources via unspecified vectors."}]}, "impact": {"cvss": {"baseScore": "5.0", "vectorString": "AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-918: Server-Side Request Forgery (SSRF)"}]}]}, "references": {"reference_data": [{"name": "https://www.synology.com/security/advisory/Synology_SA_21_11", "refsource": "CONFIRM", "url": "https://www.synology.com/security/advisory/Synology_SA_21_11"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:26:54.020Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.synology.com/security/advisory/Synology_SA_21_11"}]}]}, "cveMetadata": {"assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "assignerShortName": "synology", "cveId": "CVE-2021-34811", "datePublished": "2021-06-18T03:00:18.181Z", "dateReserved": "2021-06-16T00:00:00.000Z", "dateUpdated": "2024-09-16T17:48:15.120Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:synology:download_station:*:*:*:*:*:*:*:*", "matchCriteriaId": "541CBAC3-BEFD-4A8C-82C6-1D338EE762F4", "versionEndExcluding": "3.8.16-3566", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Server-Side Request Forgery (SSRF) vulnerability in task management component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to access intranet resources via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de falsificaci\u00f3n de solicitudes del lado del servidor (SSRF) en el componente de gesti\u00f3n de tareas de Synology Download Station anterior a la versi\u00f3n 3.8.16-3566 permite a los usuarios remotos autentificados acceder a recursos de la intranet a trav\u00e9s de vectores no especificados"}], "id": "CVE-2021-34811", "lastModified": "2024-11-21T06:11:15.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 1.4, "source": "security@synology.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-18T03:15:06.943", "references": [{"source": "security@synology.com", "tags": ["Vendor Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_21_11"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_21_11"}], "sourceIdentifier": "security@synology.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security@synology.com", "type": "Secondary"}]}