[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPBKepdsQPAIO4E5AlofIF-5mHcBOTd35gtpyspSGnTo":3,"g5a-risk:CVE-2019-11496":105},{"success":4,"data":5,"meta":103},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":27,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":49,"references":50,"referencesCount":49,"weaknesses":56,"weaknessesCount":49,"isActivelyExploited":65,"cisaInfo":27,"otxData":27,"relatedBlogPosts":66,"seoMetadata":67,"configurations":92,"relatedVendorCves":101,"notableEvents":102},"CVE-2019-11496","What is CVE-2019-11496?","In versions of Couchbase Server prior to 5.0, the bucket named \"default\" was a special bucket that allowed read and write access without authentication. As part of 5.0, the behavior of all buckets including \"default\" were changed to only allow access by authenticated users with sufficient authorization. However, users were allowed unauthenticated and unauthorized access to the \"default\" bucket if the properties of this bucket were edited. This has been fixed in versions 5.1.0 and 5.5.0.","In versions of Couchbase Server prior to 5.0, the bucket named \"default\" was a special bucket that allowed read and write access without authentication. As p...","2019-09-10T18:15:12.557","2020-08-24T17:37:01.14",9.1,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":30,"CVSSMetricV40":27},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":23,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":23,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH","CRITICAL",null,3.9,5.2,[31],{"Source":17,"Type":18,"CVSSData":32,"BaseSeverity":37,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":33,"VectorString":34,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":35,"IntegrityImpact":35,"AvailabilityImpact":23,"BaseScore":36,"BaseSeverity":27,"Exploitability":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"CollateralDamagePotential":27,"TargetDistribution":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"EnvironmentalScore":27},"2.0","AV:N\u002FAC:L\u002FAu:N\u002FC:P\u002FI:P\u002FA:N","PARTIAL",6.4,"MEDIUM",10,4.9,0.0141,[40,40,40,40,40,40,40],"Critical",[44],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"couchbase","couchbase_server","*","cpe:2.3:a:couchbase:couchbase_server:*:*:*:*:*:*:*:*",1,[51],{"url":52,"source":53,"tags":54},"https:\u002F\u002Fwww.couchbase.com\u002Fresources\u002Fsecurity#SecurityAlerts","Couchbase",[55],"Vendor Advisory",[57],{"id":58,"name":59,"description":60,"extendedDescription":61,"status":62,"abstraction":63,"structure":64},"CWE-306","Missing Authentication for Critical Function","The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","","Draft","Base","Simple",false,[],{"title":68,"metaDescription":69,"keywords":70,"canonicalUrl":71,"structuredData":72},"What is CVE-2019-11496? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2019-11496, a critical severity cyber security vulnerability from 2019. In versions of Couchbase Server prior to 5.0, the bucke...","CVE-2019-11496, CVE-2019-11496 vulnerability, CVE-2019-11496 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2019, CVSS score, exploit, patch, remediation, couchbase security, couchbase_server vulnerability","\u002Fwhat-is\u002Fcve-2019-11496",{"@context":73,"@type":74,"headline":68,"description":69,"datePublished":10,"dateModified":11,"author":75,"publisher":79,"about":83,"mainEntityOfPage":87,"articleSection":90,"keywords":91},"https:\u002F\u002Fschema.org","TechArticle",{"@type":76,"name":77,"url":78},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":76,"name":77,"url":78,"logo":80},{"@type":81,"url":82},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":84,"name":6,"description":85,"additionalType":86},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":88,"@id":89},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2019-11496","Cybersecurity","CVE-2019-11496, CVE-2019-11496 vulnerability, CVE-2019-11496 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[93],{"Operator":27,"Negate":27,"Nodes":94},[95],{"Operator":96,"Negate":27,"CPEMatch":97},"OR",[98],{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":99,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":100},"FACC4DE4-23B1-4249-B5F6-C752DBF6B04F","5.0.0",[],[],{"lastModified":11,"cacheTime":104,"version":33},1792369628403,{"score":106,"band":107,"action":108,"scoredAt":109},54,"Medium","Plan remediation","2026-10-16T06:46:49.942948+00:00"]