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ID

VAR-201712-0198


CVE

CVE-2017-15891


TITLE

Synology Calendar Access control vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2017-010910

DESCRIPTION

Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modify calendar event via unspecified vectors. Synology Calendar is a file protection program from Synology that runs on Synology NAS devices. A remote attacker could exploit this vulnerability to change a calendar's events

Trust: 1.71

sources: NVD: CVE-2017-15891 // JVNDB: JVNDB-2017-010910 // VULHUB: VHN-106759

AFFECTED PRODUCTS

vendor:synologymodel:calendarscope:ltversion:2.0.1-0242

Trust: 1.8

sources: JVNDB: JVNDB-2017-010910 // NVD: CVE-2017-15891

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2017-15891
value: MEDIUM

Trust: 1.0

NVD: CVE-2017-15891
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-201710-1150
value: MEDIUM

Trust: 0.6

VULHUB: VHN-106759
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2017-15891
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-106759
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:P/A:N
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: PARTIAL
availabilityImpact: NONE
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2017-15891
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: HIGH
availabilityImpact: NONE
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.0

Trust: 1.8

sources: VULHUB: VHN-106759 // JVNDB: JVNDB-2017-010910 // CNNVD: CNNVD-201710-1150 // NVD: CVE-2017-15891

PROBLEMTYPE DATA

problemtype:CWE-284

Trust: 1.9

problemtype:NVD-CWE-noinfo

Trust: 1.0

sources: VULHUB: VHN-106759 // JVNDB: JVNDB-2017-010910 // NVD: CVE-2017-15891

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-201710-1150

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-201710-1150

CONFIGURATIONS

sources:
            
            
            JVNDB: JVNDB-2017-010910

PATCH
title:Synology-SA-17:68 Calendarurl:https://www.synology.com/en-global/support/security/Synology_SA_17_68_Calendar
Trust: 0.8
title:Synology Calendar Fixes for access control error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=100128
Trust: 0.6
sources:
            
            
            JVNDB: JVNDB-2017-010910 // 
            
            
            
            CNNVD: CNNVD-201710-1150

EXTERNAL IDS
db:NVDid:CVE-2017-15891
Trust: 2.5
db:JVNDBid:JVNDB-2017-010910
Trust: 0.8
db:CNNVDid:CNNVD-201710-1150
Trust: 0.7
db:VULHUBid:VHN-106759
Trust: 0.1
sources:
            
            
            VULHUB: VHN-106759 // 
            
            
            
            JVNDB: JVNDB-2017-010910 // 
            
            
            
            CNNVD: CNNVD-201710-1150 // 
            
            
            
            NVD: CVE-2017-15891

REFERENCES
url:https://www.synology.com/en-global/support/security/synology_sa_17_68_calendar
Trust: 1.7
url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2017-15891
Trust: 0.8
url:https://nvd.nist.gov/vuln/detail/cve-2017-15891
Trust: 0.8
sources:
            
            
            VULHUB: VHN-106759 // 
            
            
            
            JVNDB: JVNDB-2017-010910 // 
            
            
            
            CNNVD: CNNVD-201710-1150 // 
            
            
            
            NVD: CVE-2017-15891

SOURCES
db:VULHUBid:VHN-106759
db:JVNDBid:JVNDB-2017-010910
db:CNNVDid:CNNVD-201710-1150
db:NVDid:CVE-2017-15891

LAST UPDATE DATE
2024-11-23T22:52:15.321000+00:00

SOURCES UPDATE DATE
db:VULHUBid:VHN-106759date:2019-10-09T00:00:00
db:JVNDBid:JVNDB-2017-010910date:2017-12-27T00:00:00
db:CNNVDid:CNNVD-201710-1150date:2019-10-17T00:00:00
db:NVDid:CVE-2017-15891date:2024-11-21T03:15:25.200

SOURCES RELEASE DATE
db:VULHUBid:VHN-106759date:2017-12-08T00:00:00
db:JVNDBid:JVNDB-2017-010910date:2017-12-27T00:00:00
db:CNNVDid:CNNVD-201710-1150date:2017-10-27T00:00:00
db:NVDid:CVE-2017-15891date:2017-12-08T16:29:00.247