CVE-2021-29083 - Vulnerability Details - OpenCVE

Description

Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.

Published: 2021-04-01

Score: 7.2 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

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

Synology DiskStation Manager (DSM)

affected

Version	Status	Constraints
`unspecified`	affected	< 6.2.3-25426-3

Configuration 1 [-]

cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-15724	Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00895.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.synology.com/security/advisory/Synology_SA_20_26

History

Tue, 14 Jan 2025 19:45:00 +0000

Type	Values Removed	Values Added
CPEs	cpe:2.3:a:synology:diskstation_manager::::::::	cpe:2.3:o:synology:diskstation_manager::::::::

Subscriptions

Synology Diskstation Manager

MITRE

Status: PUBLISHED

Assigner: synology

Published: 2021-04-01T05:20:13.245Z

Updated: 2024-09-17T02:42:37.369Z

Reserved: 2021-03-23T00:00:00.000Z

Link: CVE-2021-29083

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-01T06:15:17.697

Modified: 2025-01-14T19:29:55.853

Link: CVE-2021-29083

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-78

{"containers": {"cna": {"affected": [{"product": "Synology DiskStation Manager (DSM)", "vendor": "Synology", "versions": [{"lessThan": "6.2.3-25426-3", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-04-01T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-04-01T05:20:13.000Z", "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_26"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@synology.com", "DATE_PUBLIC": "2021-04-01T05:14:36.718969", "ID": "CVE-2021-29083", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Synology DiskStation Manager (DSM)", "version": {"version_data": [{"affected": "<", "version_affected": "<", "version_value": "6.2.3-25426-3"}]}}]}, "vendor_name": "Synology"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter."}]}, "impact": {"cvss": {"baseScore": "7.2", "vectorString": "AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"}]}]}, "references": {"reference_data": [{"name": "https://www.synology.com/security/advisory/Synology_SA_20_26", "refsource": "CONFIRM", "url": "https://www.synology.com/security/advisory/Synology_SA_20_26"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:55:12.656Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_26"}]}]}, "cveMetadata": {"assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "assignerShortName": "synology", "cveId": "CVE-2021-29083", "datePublished": "2021-04-01T05:20:13.245Z", "dateReserved": "2021-03-23T00:00:00.000Z", "dateUpdated": "2024-09-17T02:42:37.369Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*", "matchCriteriaId": "1628C07C-CCA7-463C-AA98-BF86C97B0D58", "versionEndExcluding": "6.2.3-25426-3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter."}, {"lang": "es", "value": "Una neutralizaci\u00f3n inapropiada de elementos especiales usados en un comando del Sistema Operativo en SYNO.Core.Network.PPPoE en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a usuarios autenticados remotos ejecutar c\u00f3digo arbitrario por medio del par\u00e1metro realname."}], "id": "CVE-2021-29083", "lastModified": "2025-01-14T19:29:55.853", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "security@synology.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-01T06:15:17.697", "references": [{"source": "security@synology.com", "tags": ["Vendor Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_26"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.synology.com/security/advisory/Synology_SA_20_26"}], "sourceIdentifier": "security@synology.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security@synology.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}