[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fY5mujcxWJrGVSHfRfQFRFIKxq155BlNriVIIYVoZgMk":3,"g5a-risk:CVE-2021-30468":223},{"success":4,"data":5,"meta":221},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":26,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":74,"references":75,"referencesCount":129,"weaknesses":130,"weaknessesCount":146,"isActivelyExploited":147,"cisaInfo":26,"otxData":26,"relatedBlogPosts":148,"seoMetadata":149,"configurations":174,"relatedVendorCves":205,"notableEvents":206},"CVE-2021-30468","What is CVE-2021-30468?","A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely. This issue affects Apache CXF versions prior to 3.4.4; Apache CXF versions prior to 3.3.11.","A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread 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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:","Draft","Class","Simple",{"id":140,"name":141,"description":142,"extendedDescription":143,"status":144,"abstraction":145,"structure":138},"CWE-835","Loop with Unreachable Exit Condition ('Infinite Loop')","The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.","If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.","Incomplete","Base",2,false,[],{"title":150,"metaDescription":151,"keywords":152,"canonicalUrl":153,"structuredData":154},"What is CVE-2021-30468? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-30468, a high severity cyber security vulnerability from 2021. A vulnerability in the JsonMapObjectReaderWriter of Apache ...","CVE-2021-30468, CVE-2021-30468 vulnerability, CVE-2021-30468 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, apache security, oracle security, cxf vulnerability, tomee vulnerability, business_intelligence vulnerability, communications_element_manager vulnerability, communications_messaging_server vulnerability","\u002Fwhat-is\u002Fcve-2021-30468",{"@context":155,"@type":156,"headline":150,"description":151,"datePublished":10,"dateModified":11,"author":157,"publisher":161,"about":165,"mainEntityOfPage":169,"articleSection":172,"keywords":173},"https:\u002F\u002Fschema.org","TechArticle",{"@type":158,"name":159,"url":160},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":158,"name":159,"url":160,"logo":162},{"@type":163,"url":164},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":166,"name":6,"description":167,"additionalType":168},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":170,"@id":171},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-30468","Cybersecurity","CVE-2021-30468, CVE-2021-30468 vulnerability, CVE-2021-30468 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[175,189],{"Operator":26,"Negate":26,"Nodes":176},[177],{"Operator":178,"Negate":26,"CPEMatch":179},"OR",[180,183,187],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":181,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":182,"VersionEndIncluding":26},"30AD1489-9FAA-4CB3-9683-236BE2BF4762","3.3.11",{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":184,"VersionStartExcluding":26,"VersionStartIncluding":185,"VersionEndExcluding":186,"VersionEndIncluding":26},"A64083AE-3EDA-4F41-9B72-DA0BF554B9F6","3.4.0","3.4.4",{"Vulnerable":4,"Criteria":51,"MatchCriteriaID":188,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"BD41F07F-EDA1-45B1-8BB4-2918918527D3",{"Operator":26,"Negate":26,"Nodes":190},[191],{"Operator":178,"Negate":26,"CPEMatch":192},[193,195,197,199,201,203],{"Vulnerable":4,"Criteria":56,"MatchCriteriaID":194,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"D40AD626-B23A-44A3-A6C0-1FFB4D647AE4",{"Vulnerable":4,"Criteria":59,"MatchCriteriaID":196,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"B602F9E8-1580-436C-A26D-6E6F8121A583",{"Vulnerable":4,"Criteria":62,"MatchCriteriaID":198,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"77C3DD16-1D81-40E1-B312-50FBD275507C",{"Vulnerable":4,"Criteria":65,"MatchCriteriaID":200,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"81DAC8C0-D342-44B5-9432-6B88D389584F",{"Vulnerable":4,"Criteria":69,"MatchCriteriaID":202,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"19EEAA04-A7BD-4FFF-8B0B-CEE5EC09F75C",{"Vulnerable":4,"Criteria":73,"MatchCriteriaID":204,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"7569C0BD-16C1-441E-BAEB-840C94BE73EF",[],[207,214],{"id":208,"eventType":209,"eventTime":210,"details":211,"label":212,"color":213},"c6c339a6-745e-4f6c-b01b-57c79f42d057","HIGH_EPSS_DELTA","2025-11-19T04:06:02.145786+00:00","Daily EPSS score increased by 0.101 on 2023-12-30","EPSS Score Increased","red",{"id":215,"eventType":216,"eventTime":217,"details":218,"label":219,"color":220},"81d12cb9-8019-44ae-b117-2e4f7a96c0c9","LOW_EPSS_DELTA","2025-11-22T04:05:49.806071+00:00","Daily EPSS score decreased by 0.101 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":11,"cacheTime":222,"version":32},1792256951579,{"score":224,"band":225,"action":226,"scoredAt":227},47,"Medium","Plan remediation","2026-10-16T06:51:20.548673+00:00"]