[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$feJElJ0Aj66xViSjhSiYpq8XseTEn5V7Z-va95zxsRL0":3,"g5a-risk:CVE-2017-15891":108},{"success":4,"data":5,"meta":106},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":15,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":49,"references":50,"referencesCount":58,"weaknesses":59,"weaknessesCount":49,"isActivelyExploited":68,"cisaInfo":15,"otxData":15,"relatedBlogPosts":69,"seoMetadata":70,"configurations":95,"relatedVendorCves":104,"notableEvents":105},"CVE-2017-15891","What is CVE-2017-15891?","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.","Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modify calendar event...","2017-12-08T16:29:00.247","2025-04-20T01:37:25.86",6.5,"CVSS:3.0\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:N\u002FI:H\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":16,"CVSSMetricV2":30,"CVSSMetricV40":15},null,[17],{"Source":18,"Type":19,"CVSSData":20,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":21,"VectorString":13,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":24,"IntegrityImpact":26,"AvailabilityImpact":24,"BaseScore":12,"BaseSeverity":27,"ExploitCodeMaturity":15,"RemediationLevel":15,"ReportConfidence":15,"TemporalScore":15,"TemporalSeverity":15,"ConfidentialityRequirement":15,"IntegrityRequirement":15,"AvailabilityRequirement":15,"ModifiedAttackVector":15,"ModifiedAttackComplexity":15,"ModifiedPrivilegesRequired":15,"ModifiedUserInteraction":15,"ModifiedScope":15,"ModifiedConfidentialityImpact":15,"ModifiedIntegrityImpact":15,"ModifiedAvailabilityImpact":15,"EnvironmentalScore":15,"EnvironmentalSeverity":15},"3.0","NETWORK","LOW","NONE","UNCHANGED","HIGH","MEDIUM",2.8,3.6,[31],{"Source":18,"Type":19,"CVSSData":32,"BaseSeverity":27,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":15,"ObtainAllPrivilege":15,"ObtainUserPrivilege":15,"ObtainOtherPrivilege":15,"UserInteractionRequired":15},{"Version":33,"VectorString":34,"AccessVector":22,"AccessComplexity":23,"Authentication":35,"ConfidentialityImpact":24,"IntegrityImpact":36,"AvailabilityImpact":24,"BaseScore":37,"BaseSeverity":15,"Exploitability":15,"RemediationLevel":15,"ReportConfidence":15,"TemporalScore":15,"CollateralDamagePotential":15,"TargetDistribution":15,"ConfidentialityRequirement":15,"IntegrityRequirement":15,"AvailabilityRequirement":15,"EnvironmentalScore":15},"2.0","AV:N\u002FAC:L\u002FAu:S\u002FC:N\u002FI:P\u002FA:N","SINGLE","PARTIAL",4,8,2.9,0.01036,[40,40,40,40,40,40,40],"Medium",[44],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"synology","calendar","*","cpe:2.3:a:synology:calendar:*:*:*:*:*:*:*:*",1,[51,56],{"url":52,"source":53,"tags":54},"https:\u002F\u002Fwww.synology.com\u002Fen-global\u002Fsupport\u002Fsecurity\u002FSynology_SA_17_68_Calendar","Synology",[55],"Vendor Advisory",{"url":52,"source":53,"tags":57},[55],2,[60],{"id":61,"name":62,"description":63,"extendedDescription":64,"status":65,"abstraction":66,"structure":67},"CWE-284","Improper Access Control","The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","Access control involves the use of several protection mechanisms such as:\nWhen any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc.\nThere are two distinct behaviors that can introduce access control weaknesses:","Incomplete","Pillar","Simple",false,[],{"title":71,"metaDescription":72,"keywords":73,"canonicalUrl":74,"structuredData":75},"What is CVE-2017-15891? 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