[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fo0YuxD8rREMFCybhQ9d8h2HlvsbGOSR6y6StLF3ctgc":3,"g5a-risk:CVE-2021-4040":127},{"success":4,"data":5,"meta":124},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":29,"epssPercentile":26,"epssTimeSeries":30,"severity":31,"affectedProducts":32,"affectedProductsCount":42,"references":43,"referencesCount":63,"weaknesses":64,"weaknessesCount":42,"isActivelyExploited":79,"cisaInfo":26,"otxData":26,"relatedBlogPosts":80,"seoMetadata":81,"configurations":106,"relatedVendorCves":122,"notableEvents":123},"CVE-2021-4040","What is CVE-2021-4040?","A flaw was found in AMQ Broker. This issue can cause a partial interruption to the availability of AMQ Broker via an Out of memory (OOM) condition. This flaw allows an attacker to partially disrupt availability to the broker through a sustained attack of maliciously crafted messages. The highest threat from this vulnerability is system availability.","A flaw was found in AMQ Broker. This issue can cause a partial interruption to the availability of AMQ Broker via an Out of memory (OOM) condition. This flaw...","2022-08-24T16:15:09.313","2022-08-29T16:40:20.963",5.3,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:L",{"CVSSMetricV31":15,"CVSSMetricV30":26,"CVSSMetricV2":26,"CVSSMetricV40":26},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":22,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":22,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"3.1","NETWORK","LOW","NONE","UNCHANGED","MEDIUM",null,3.9,1.4,0.03127,[29,29,29,29,29,29,29],"Medium",[33,38],{"vendor":34,"product":35,"version":36,"criteria":37,"vulnerable":4},"redhat","amq_broker","*","cpe:2.3:a:redhat:amq_broker:*:*:*:*:*:*:*:*",{"vendor":39,"product":40,"version":36,"criteria":41,"vulnerable":4},"apache","activemq_artemis","cpe:2.3:a:apache:activemq_artemis:*:*:*:*:*:*:*:*",2,[44,49,53,59],{"url":45,"source":46,"tags":47},"https:\u002F\u002Faccess.redhat.com\u002Fsecurity\u002Fcve\u002FCVE-2021-4040","Red Hat",[48],"Vendor Advisory",{"url":50,"source":46,"tags":51},"https:\u002F\u002Fbugzilla.redhat.com\u002Fshow_bug.cgi?id=2028254",[52,48],"Issue Tracking",{"url":54,"source":55,"tags":56},"https:\u002F\u002Fgithub.com\u002Fapache\u002Factivemq-artemis\u002Fpull\u002F3871\u002Fcommits","GitHub",[57,58],"Patch","Third Party Advisory",{"url":60,"source":61,"tags":62},"https:\u002F\u002Fissues.apache.org\u002Fjira\u002Fbrowse\u002FARTEMIS-3593","Apache",[57,58],4,[65,73],{"id":66,"name":67,"description":68,"extendedDescription":69,"status":70,"abstraction":71,"structure":72},"CWE-787","Out-of-bounds Write","The product writes data past the end, or before the beginning, of the intended buffer.","","Draft","Base","Simple",{"id":74,"name":75,"description":76,"extendedDescription":77,"status":70,"abstraction":78,"structure":72},"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",false,[],{"title":82,"metaDescription":83,"keywords":84,"canonicalUrl":85,"structuredData":86},"What is CVE-2021-4040? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-4040, a medium severity cyber security vulnerability from 2022. A flaw was found in AMQ Broker. This issue can cause a par...","CVE-2021-4040, CVE-2021-4040 vulnerability, CVE-2021-4040 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2022, CVSS score, exploit, patch, remediation, redhat security, apache security, amq_broker vulnerability, activemq_artemis vulnerability","\u002Fwhat-is\u002Fcve-2021-4040",{"@context":87,"@type":88,"headline":82,"description":83,"datePublished":10,"dateModified":11,"author":89,"publisher":93,"about":97,"mainEntityOfPage":101,"articleSection":104,"keywords":105},"https:\u002F\u002Fschema.org","TechArticle",{"@type":90,"name":91,"url":92},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":90,"name":91,"url":92,"logo":94},{"@type":95,"url":96},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":98,"name":6,"description":99,"additionalType":100},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":102,"@id":103},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-4040","Cybersecurity","CVE-2021-4040, CVE-2021-4040 vulnerability, CVE-2021-4040 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[107,115],{"Operator":26,"Negate":26,"Nodes":108},[109],{"Operator":110,"Negate":26,"CPEMatch":111},"OR",[112],{"Vulnerable":4,"Criteria":37,"MatchCriteriaID":113,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":114,"VersionEndIncluding":26},"4B56B867-75FC-47C5-94C7-B96DC3028D64","7.10.0",{"Operator":26,"Negate":26,"Nodes":116},[117],{"Operator":110,"Negate":26,"CPEMatch":118},[119],{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":120,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":121,"VersionEndIncluding":26},"18C0F17A-A27D-40E9-9ACE-5BD86A02BA54","2.19.1",[],[],{"lastModified":11,"cacheTime":125,"version":126},1792249624191,"2.0",{"score":128,"band":129,"action":130,"scoredAt":131},25,"Low","Monitor","2026-10-16T06:55:30.087368+00:00"]