[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fsDWuoi5fFwvo2fXevCzXeyMazHjBhi5d3JNuk3p6oq0":3,"g5a-risk:CVE-2020-36239":165},{"success":4,"data":5,"meta":163},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":43,"epssPercentile":27,"epssTimeSeries":44,"severity":45,"affectedProducts":46,"affectedProductsCount":58,"references":59,"referencesCount":58,"weaknesses":73,"weaknessesCount":89,"isActivelyExploited":90,"cisaInfo":27,"otxData":27,"relatedBlogPosts":91,"seoMetadata":92,"configurations":117,"relatedVendorCves":147,"notableEvents":148},"CVE-2020-36239","What is CVE-2020-36239?","Jira Data Center, Jira Core Data Center, Jira Software Data Center from version 6.3.0 before 8.5.16, from 8.6.0 before 8.13.8, from 8.14.0 before 8.17.0 and Jira Service Management Data Center from version 2.0.2 before 4.5.16, from version 4.6.0 before 4.13.8, and from version 4.14.0 before 4.17.0 exposed a Ehcache RMI network service which attackers, who can connect to the service, on port 40001 and potentially 40011[0][1], could execute arbitrary code of their choice in Jira through deserialization due to a missing authentication vulnerability. While Atlassian strongly suggests restricting access to the Ehcache ports to only Data Center instances, fixed versions of Jira will now require a shared secret in order to allow access to the Ehcache service. [0] In Jira Data Center, Jira Core Data Center, and Jira Software Data Center versions prior to 7.13.1, the Ehcache object port can be randomly allocated. [1] In Jira Service Management Data Center versions prior to 3.16.1, the Ehcache object port can be randomly allocated.","Jira Data Center, Jira Core Data Center, Jira Software Data Center from version 6.3.0 before 8.5.16, from 8.6.0 before 8.13.8, from 8.14.0 before 8.17.0 and ...","2021-07-29T11:15:07.477","2024-10-17T16:35:01.667",9.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":34,"CVSSMetricV40":27},[16,30],{"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":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":25,"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,3.9,5.9,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":28,"ImpactScore":29},"134c704f-9b21-4f2e-91b3-4a467353bcc0","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":25,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},[35],{"Source":17,"Type":18,"CVSSData":36,"BaseSeverity":25,"ExploitabilityScore":41,"ImpactScore":42,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":37,"VectorString":38,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":39,"IntegrityImpact":39,"AvailabilityImpact":39,"BaseScore":40,"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:P","PARTIAL",7.5,10,6.4,0.49817,[43,43,43,43,43,43,43],"Critical",[47,52,55],{"vendor":48,"product":49,"version":50,"criteria":51,"vulnerable":4},"atlassian","jira_data_center","*","cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*",{"vendor":48,"product":53,"version":50,"criteria":54,"vulnerable":4},"jira_service_desk","cpe:2.3:a:atlassian:jira_service_desk:*:*:*:*:data_center:*:*:*",{"vendor":48,"product":56,"version":50,"criteria":57,"vulnerable":4},"jira_service_management","cpe:2.3:a:atlassian:jira_service_management:*:*:*:*:data_center:*:*:*",3,[60,66,70],{"url":61,"source":62,"tags":63},"https:\u002F\u002Fconfluence.atlassian.com\u002Fadminjiraserver\u002Fjira-data-center-and-jira-service-management-data-center-security-advisory-2021-07-21-1063571388.html","Atlassian",[64,65],"Patch","Vendor Advisory",{"url":67,"source":62,"tags":68},"https:\u002F\u002Fjira.atlassian.com\u002Fbrowse\u002FJRASERVER-72566",[69,65],"Issue Tracking",{"url":71,"source":62,"tags":72},"https:\u002F\u002Fjira.atlassian.com\u002Fbrowse\u002FJSDSERVER-8454",[69,65],[74,82],{"id":75,"name":76,"description":77,"extendedDescription":78,"status":79,"abstraction":80,"structure":81},"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",{"id":83,"name":84,"description":85,"extendedDescription":86,"status":87,"abstraction":88,"structure":81},"CWE-862","Missing Authorization","The product does not perform an authorization check when an actor attempts to access a resource or perform an action.","Assuming a user with a given identity, authorization is the process of determining whether that user can access a given resource, based on the user's privileges and any permissions or other access-control specifications that apply to the resource.\nWhen access control checks are not applied, users are able to access data or perform actions that they should not be allowed to perform. This can lead to a wide range of problems, including information exposures, denial of service, and arbitrary code execution.","Incomplete","Class",2,false,[],{"title":93,"metaDescription":94,"keywords":95,"canonicalUrl":96,"structuredData":97},"What is CVE-2020-36239? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2020-36239, a critical severity cyber security vulnerability from 2021. High exploit probability (49.8%). Jira Data Center, Jir...","CVE-2020-36239, CVE-2020-36239 vulnerability, CVE-2020-36239 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, atlassian security, jira_data_center vulnerability, jira_service_desk vulnerability, jira_service_management vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2020-36239",{"@context":98,"@type":99,"headline":93,"description":94,"datePublished":10,"dateModified":11,"author":100,"publisher":104,"about":108,"mainEntityOfPage":112,"articleSection":115,"keywords":116},"https:\u002F\u002Fschema.org","TechArticle",{"@type":101,"name":102,"url":103},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":101,"name":102,"url":103,"logo":105},{"@type":106,"url":107},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":109,"name":6,"description":110,"additionalType":111},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":113,"@id":114},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2020-36239","Cybersecurity","CVE-2020-36239, CVE-2020-36239 vulnerability, CVE-2020-36239 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[118],{"Operator":27,"Negate":27,"Nodes":119},[120],{"Operator":121,"Negate":27,"CPEMatch":122},"OR",[123,127,131,135,139,143],{"Vulnerable":4,"Criteria":51,"MatchCriteriaID":124,"VersionStartExcluding":27,"VersionStartIncluding":125,"VersionEndExcluding":126,"VersionEndIncluding":27},"639EC886-D23E-4CF7-B729-731F3C4B3C10","6.3.0","8.5.16",{"Vulnerable":4,"Criteria":51,"MatchCriteriaID":128,"VersionStartExcluding":27,"VersionStartIncluding":129,"VersionEndExcluding":130,"VersionEndIncluding":27},"20E7C6BB-8490-4C91-9DC2-6FB630125179","8.6.0","8.13.8",{"Vulnerable":4,"Criteria":51,"MatchCriteriaID":132,"VersionStartExcluding":27,"VersionStartIncluding":133,"VersionEndExcluding":134,"VersionEndIncluding":27},"8B9DCF77-9D9D-4988-BEF3-14C9DAA43814","8.14.0","8.17.0",{"Vulnerable":4,"Criteria":54,"MatchCriteriaID":136,"VersionStartExcluding":27,"VersionStartIncluding":137,"VersionEndExcluding":138,"VersionEndIncluding":27},"FB4FAD82-049D-449F-BA66-E3EB444D265A","2.0.2","4.5.16",{"Vulnerable":4,"Criteria":54,"MatchCriteriaID":140,"VersionStartExcluding":27,"VersionStartIncluding":141,"VersionEndExcluding":142,"VersionEndIncluding":27},"8F5D807A-ADF1-405B-828C-B8F4ACB3D7B5","4.6.0","4.13.8",{"Vulnerable":4,"Criteria":57,"MatchCriteriaID":144,"VersionStartExcluding":27,"VersionStartIncluding":145,"VersionEndExcluding":146,"VersionEndIncluding":27},"76485A7B-A00D-407D-84A8-FEE959DB970C","4.14.0","4.17.0",[],[149,156],{"id":150,"eventType":151,"eventTime":152,"details":153,"label":154,"color":155},"f12cbcfa-f8b1-4e5f-b977-6c80e7f24ff0","LOW_EPSS_DELTA","2025-05-02T01:15:49.336448+00:00","Daily EPSS score decreased by 0.130 on 2023-12-30","EPSS Score Decreased","green",{"id":157,"eventType":158,"eventTime":159,"details":160,"label":161,"color":162},"3c755750-e3d2-4893-b181-0b9f334a85f0","HIGH_EPSS_DELTA","2025-07-05T04:05:37.067376+00:00","Daily EPSS score increased by 0.120 on 2023-12-30","EPSS Score Increased","red",{"lastModified":11,"cacheTime":164,"version":37},1792371318343,{"score":166,"band":167,"action":168,"scoredAt":169},59,"Medium","Plan remediation","2026-10-16T06:51:41.042942+00:00"]