[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fxqaFdjrTK6U_Bu0Jquax8ftM5VT67_8xRjx6dmJCfGg":3,"g5a-risk:CVE-2017-5637":261},{"success":4,"data":5,"meta":259},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":15,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":89,"references":90,"referencesCount":161,"weaknesses":162,"weaknessesCount":177,"isActivelyExploited":178,"cisaInfo":15,"otxData":15,"relatedBlogPosts":179,"seoMetadata":180,"configurations":205,"relatedVendorCves":243,"notableEvents":244},"CVE-2017-5637","What is CVE-2017-5637?","Two four letter word commands \"wchp\u002Fwchc\" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the server unable to serve legitimate client requests. Apache ZooKeeper thru version 3.4.9 and 3.5.2 suffer from this issue, fixed in 3.4.10, 3.5.3, and later.","Two four letter word commands \"wchp\u002Fwchc\" are CPU intensive and could cause spike of CPU utilization on Apache ZooKeeper server if abused, which leads to the...","2017-10-10T01:30:22.36","2025-04-20T01:37:25.86",7.5,"CVSS:3.0\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":16,"CVSSMetricV2":29,"CVSSMetricV40":15},null,[17],{"Source":18,"Type":19,"CVSSData":20,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":21,"VectorString":13,"AttackVector":22,"AttackComplexity":23,"PrivilegesRequired":24,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":26,"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",3.9,3.6,[30],{"Source":18,"Type":19,"CVSSData":31,"BaseSeverity":36,"ExploitabilityScore":37,"ImpactScore":38,"ACInsufInfo":15,"ObtainAllPrivilege":15,"ObtainUserPrivilege":15,"ObtainOtherPrivilege":15,"UserInteractionRequired":15},{"Version":32,"VectorString":33,"AccessVector":22,"AccessComplexity":23,"Authentication":24,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":34,"BaseScore":35,"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:N\u002FC:N\u002FI:N\u002FA:P","PARTIAL",5,"MEDIUM",10,2.9,0.73064,[39,39,39,39,39,39,39],"High",[43,48,51,54,57,60,63,66,69,72,75,78,81,84],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"apache","zookeeper","3.4.0","cpe:2.3:a:apache:zookeeper:3.4.0:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":49,"criteria":50,"vulnerable":4},"3.4.1","cpe:2.3:a:apache:zookeeper:3.4.1:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":52,"criteria":53,"vulnerable":4},"3.4.2","cpe:2.3:a:apache:zookeeper:3.4.2:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":55,"criteria":56,"vulnerable":4},"3.4.3","cpe:2.3:a:apache:zookeeper:3.4.3:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":58,"criteria":59,"vulnerable":4},"3.4.4","cpe:2.3:a:apache:zookeeper:3.4.4:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":61,"criteria":62,"vulnerable":4},"3.4.5","cpe:2.3:a:apache:zookeeper:3.4.5:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":64,"criteria":65,"vulnerable":4},"3.4.6","cpe:2.3:a:apache:zookeeper:3.4.6:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":67,"criteria":68,"vulnerable":4},"3.4.7","cpe:2.3:a:apache:zookeeper:3.4.7:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":70,"criteria":71,"vulnerable":4},"3.4.8","cpe:2.3:a:apache:zookeeper:3.4.8:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":73,"criteria":74,"vulnerable":4},"3.4.9","cpe:2.3:a:apache:zookeeper:3.4.9:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":76,"criteria":77,"vulnerable":4},"3.5.0","cpe:2.3:a:apache:zookeeper:3.5.0:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":79,"criteria":80,"vulnerable":4},"3.5.1","cpe:2.3:a:apache:zookeeper:3.5.1:*:*:*:*:*:*:*",{"vendor":44,"product":45,"version":82,"criteria":83,"vulnerable":4},"3.5.2","cpe:2.3:a:apache:zookeeper:3.5.2:*:*:*:*:*:*:*",{"vendor":85,"product":86,"version":87,"criteria":88,"vulnerable":4},"debian","debian_linux","8.0","cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",14,[91,96,101,105,108,111,118,121,124,127,130,134,137,139,141,143,145,147,149,151,153,155,157,159],{"url":92,"source":93,"tags":94},"http:\u002F\u002Fwww.debian.org\u002Fsecurity\u002F2017\u002Fdsa-3871","Debian",[95],"Third Party Advisory",{"url":97,"source":98,"tags":99},"http:\u002F\u002Fwww.securityfocus.com\u002Fbid\u002F98814","Securityfocus",[95,100],"VDB Entry",{"url":102,"source":103,"tags":104},"https:\u002F\u002Faccess.redhat.com\u002Ferrata\u002FRHSA-2017:2477","Red Hat",[],{"url":106,"source":103,"tags":107},"https:\u002F\u002Faccess.redhat.com\u002Ferrata\u002FRHSA-2017:3354",[],{"url":109,"source":103,"tags":110},"https:\u002F\u002Faccess.redhat.com\u002Ferrata\u002FRHSA-2017:3355",[],{"url":112,"source":113,"tags":114},"https:\u002F\u002Fissues.apache.org\u002Fjira\u002Fbrowse\u002FZOOKEEPER-2693","Apache",[115,116,117],"Issue Tracking","Mitigation","Vendor Advisory",{"url":119,"source":113,"tags":120},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002F053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E",[],{"url":122,"source":113,"tags":123},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002F58170aeb7a681d462b7fa31cae81110cbb749d2dc83c5736a0bb8370%40%3Cdev.zookeeper.apache.org%3E",[],{"url":125,"source":113,"tags":126},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Fbcce5a9c532b386c68dab2f6b3ce8b0cc9b950ec551766e76391caa3%40%3Ccommits.nifi.apache.org%3E",[],{"url":128,"source":113,"tags":129},"https:\u002F\u002Flists.apache.org\u002Fthread.html\u002Frca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E",[],{"url":131,"source":132,"tags":133},"https:\u002F\u002Fwww.oracle.com\u002F\u002Fsecurity-alerts\u002Fcpujul2021.html","Oracle",[],{"url":135,"source":132,"tags":136},"https:\u002F\u002Fwww.oracle.com\u002Fsecurity-alerts\u002Fcpujul2020.html",[],{"url":92,"source":93,"tags":138},[95],{"url":97,"source":98,"tags":140},[95,100],{"url":102,"source":103,"tags":142},[],{"url":106,"source":103,"tags":144},[],{"url":109,"source":103,"tags":146},[],{"url":112,"source":113,"tags":148},[115,116,117],{"url":119,"source":113,"tags":150},[],{"url":122,"source":113,"tags":152},[],{"url":125,"source":113,"tags":154},[],{"url":128,"source":113,"tags":156},[],{"url":131,"source":132,"tags":158},[],{"url":135,"source":132,"tags":160},[],24,[163,171],{"id":164,"name":165,"description":166,"extendedDescription":167,"status":168,"abstraction":169,"structure":170},"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":172,"name":173,"description":174,"extendedDescription":175,"status":168,"abstraction":176,"structure":170},"CWE-400","Uncontrolled Resource Consumption","The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.","Limited resources include memory, file system storage, database connection pool entries, and CPU. If an attacker can trigger the allocation of these limited resources, but the number or size of the resources is not controlled, then the attacker could cause a denial of service that consumes all available resources. This would prevent valid users from accessing the product, and it could potentially have an impact on the surrounding environment. For example, a memory exhaustion attack against an application could slow down the application as well as its host operating system.\nThere are at least three distinct scenarios which can commonly lead to resource exhaustion:\nResource exhaustion problems are often result due to an incorrect implementation of the following situations:","Class",2,false,[],{"title":181,"metaDescription":182,"keywords":183,"canonicalUrl":184,"structuredData":185},"What is CVE-2017-5637? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2017-5637, a high severity cyber security vulnerability from 2017. High exploit probability (73.1%). Two four letter word comma...","CVE-2017-5637, CVE-2017-5637 vulnerability, CVE-2017-5637 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2017, CVSS score, exploit, patch, remediation, apache security, zookeeper vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2017-5637",{"@context":186,"@type":187,"headline":181,"description":182,"datePublished":10,"dateModified":11,"author":188,"publisher":192,"about":196,"mainEntityOfPage":200,"articleSection":203,"keywords":204},"https:\u002F\u002Fschema.org","TechArticle",{"@type":189,"name":190,"url":191},"Organization","Precursor 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research",[206,237],{"Operator":15,"Negate":15,"Nodes":207},[208],{"Operator":209,"Negate":15,"CPEMatch":210},"OR",[211,213,215,217,219,221,223,225,227,229,231,233,235],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":212,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"F0E65AF7-9D19-4B31-9BE0-4EB07B2853F9",{"Vulnerable":4,"Criteria":50,"MatchCriteriaID":214,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"98FFE2B9-6744-4198-946E-89D78EC5E72C",{"Vulnerable":4,"Criteria":53,"MatchCriteriaID":216,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"075AF151-A8A1-48BC-BD8B-E123ACAD5A02",{"Vulnerable":4,"Criteria":56,"MatchCriteriaID":218,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"AF7A6DB3-2F19-4155-B019-2325A3D1186F",{"Vulnerable":4,"Criteria":59,"MatchCriteriaID":220,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"7346C4C9-7788-4686-A9D3-0225CA1A5B39",{"Vulnerable":4,"Criteria":62,"MatchCriteriaID":222,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"2BA6B730-25E1-489D-BBB7-18F9251EF20D",{"Vulnerable":4,"Criteria":65,"MatchCriteriaID":224,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"7DCF90EA-9BD7-42FE-A1C2-0C04D53543DC",{"Vulnerable":4,"Criteria":68,"MatchCriteriaID":226,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"6E981E8B-0BEF-4644-919F-0BF7549D70E8",{"Vulnerable":4,"Criteria":71,"MatchCriteriaID":228,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"10957A4F-4A07-4777-A92B-525C0AF9D99C",{"Vulnerable":4,"Criteria":74,"MatchCriteriaID":230,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"2732FE0E-9F19-46BE-BE05-3DF6ED7AC222",{"Vulnerable":4,"Criteria":77,"MatchCriteriaID":232,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"C6BC9FC3-2BFE-40D1-A647-801AC49CA0E0",{"Vulnerable":4,"Criteria":80,"MatchCriteriaID":234,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"31DA0549-5FD8-427E-995F-49B26854CB47",{"Vulnerable":4,"Criteria":83,"MatchCriteriaID":236,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"A7974A08-51CA-4E28-A914-F2C5173E0C76",{"Operator":15,"Negate":15,"Nodes":238},[239],{"Operator":209,"Negate":15,"CPEMatch":240},[241],{"Vulnerable":4,"Criteria":88,"MatchCriteriaID":242,"VersionStartExcluding":15,"VersionStartIncluding":15,"VersionEndExcluding":15,"VersionEndIncluding":15},"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",[],[245,252],{"id":246,"eventType":247,"eventTime":248,"details":249,"label":250,"color":251},"21d74abc-068e-4388-ab67-4cad3466b7d3","HIGH_EPSS_DELTA","2025-11-19T04:06:59.048523+00:00","Daily EPSS score increased by 0.255 on 2023-12-30","EPSS Score Increased","red",{"id":253,"eventType":254,"eventTime":255,"details":256,"label":257,"color":258},"af3a9cb9-93ad-4877-81ba-1af0e861f0bf","LOW_EPSS_DELTA","2025-11-22T04:06:47.476134+00:00","Daily EPSS score decreased by 0.255 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":11,"cacheTime":260,"version":32},1792261694536,{"score":262,"band":263,"action":264,"scoredAt":265},58,"Medium","Plan remediation","2026-10-17T09:12:19.33614+00:00"]