CVE-2017-15887

An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers to obtain user credentials via a brute-force attack.

CVSS v3 9.8 CRITICAL
CVSS v2.0 5.0 MEDIUM

9.8^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server	Issue Tracking Vendor Advisory
https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:synology:carddav_server:*:*:*:*:*:*:*:*

History

21 Nov 2024, 03:15

Type	Values Removed	Values Added
References	~~() https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server - Issue Tracking, Vendor Advisory~~	() https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server - Issue Tracking, Vendor Advisory

Information

Published : 2017-11-07 15:29

Updated : 2024-11-21 03:15

NVD link : CVE-2017-15887

Mitre link : CVE-2017-15887

CVE.ORG link : CVE-2017-15887

JSON object : View

Products Affected

synology

carddav_server

CWE

CWE-307

Improper Restriction of Excessive Authentication Attempts

{"id": "CVE-2017-15887", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2017-11-07T15:29:00.197", "references": [{"url": "https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "security@synology.com"}, {"url": "https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@synology.com", "description": [{"lang": "en", "value": "CWE-307"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-307"}]}], "descriptions": [{"lang": "en", "value": "An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers to obtain user credentials via a brute-force attack."}, {"lang": "es", "value": "Una vulnerabilidad de restricci\u00f3n indebida de intentos excesivos de autenticaci\u00f3n en /principals en Synology CardDAV Server en versiones anteriores a la 6.0.7-0085 permite que atacantes remotos obtengan credenciales de usuario mediante un ataque de fuerza bruta."}], "lastModified": "2024-11-21T03:15:24.770", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:synology:carddav_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F90A6F2E-35C8-4667-8438-99D724AEA3B9", "versionEndExcluding": "6.0.7-0085"}], "operator": "OR"}]}], "sourceIdentifier": "security@synology.com"}