[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fSm_cE8z8wW6rCm7Y2xgy-DyReXBk0bVeBEJEEBfDpds":3,"g5a-risk:CVE-2021-22143":116},{"success":4,"data":5,"meta":113},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":48,"references":49,"referencesCount":58,"weaknesses":59,"weaknessesCount":58,"isActivelyExploited":75,"cisaInfo":26,"otxData":26,"relatedBlogPosts":76,"seoMetadata":77,"configurations":102,"relatedVendorCves":111,"notableEvents":112},"CVE-2021-22143","What is CVE-2021-22143?","The Elastic APM .NET Agent can leak sensitive HTTP header information when logging the details during an application error. Normally, the APM agent will sanitize sensitive HTTP header details before sending the information to the APM server. During an application error it is possible the headers will not be sanitized before being sent.","The Elastic APM .NET Agent can leak sensitive HTTP header information when logging the details during an application error. Normally, the APM agent will sani...","2023-11-22T02:15:41.86","2023-11-30T18:33:39.51",4.3,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:L\u002FI:N\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":26,"CVSSMetricV2":26,"CVSSMetricV40":26},[16,29],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":22,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":23,"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,2.8,1.4,{"Source":30,"Type":31,"CVSSData":32,"ExploitabilityScore":38,"ImpactScore":28},"bressers@elastic.co","Secondary",{"Version":20,"VectorString":33,"AttackVector":34,"AttackComplexity":22,"PrivilegesRequired":35,"UserInteraction":36,"Scope":24,"ConfidentialityImpact":22,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":37,"BaseSeverity":22,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":23,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"CVSS:3.1\u002FAV:A\u002FAC:L\u002FPR:H\u002FUI:R\u002FS:U\u002FC:L\u002FI:N\u002FA:N","ADJACENT_NETWORK","HIGH","REQUIRED",2.1,0.7,0.00663,[39,39,39,39,39,39,39],"Medium",[43],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"elastic","apm_.net_agent","*","cpe:2.3:a:elastic:apm_.net_agent:*:*:*:*:*:*:*:*",1,[50,55],{"url":51,"source":52,"tags":53},"https:\u002F\u002Fdiscuss.elastic.co\u002Ft\u002Felastic-apm-net-agent-1-10-0-security-update\u002F274668","Elastic",[54],"Vendor Advisory",{"url":56,"source":52,"tags":57},"https:\u002F\u002Fwww.elastic.co\u002Fcommunity\u002Fsecurity",[54],2,[60,68],{"id":61,"name":62,"description":63,"extendedDescription":64,"status":65,"abstraction":66,"structure":67},"CWE-532","Insertion of Sensitive Information into Log File","Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.","While logging all information may be helpful during development stages, it is important that logging levels be set appropriately before a product ships so that sensitive user data and system information are not accidentally exposed to potential attackers.\nDifferent log files may be produced and stored for:","Incomplete","Base","Simple",{"id":69,"name":70,"description":71,"extendedDescription":72,"status":73,"abstraction":74,"structure":67},"CWE-200","Exposure of Sensitive Information to an Unauthorized Actor","The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.","There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker.  Some kinds of sensitive information include:\nInformation might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected.  These parties include:\nInformation exposures can occur in different ways:\nIt is common practice to describe any loss of confidentiality as an \"information exposure,\" but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read.  CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.","Draft","Class",false,[],{"title":78,"metaDescription":79,"keywords":80,"canonicalUrl":81,"structuredData":82},"What is CVE-2021-22143? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-22143, a medium severity cyber security vulnerability from 2023. The Elastic APM .NET Agent can leak sensitive HTTP header...","CVE-2021-22143, CVE-2021-22143 vulnerability, CVE-2021-22143 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2023, CVSS score, exploit, patch, remediation, elastic security, apm_.net_agent vulnerability","\u002Fwhat-is\u002Fcve-2021-22143",{"@context":83,"@type":84,"headline":78,"description":79,"datePublished":10,"dateModified":11,"author":85,"publisher":89,"about":93,"mainEntityOfPage":97,"articleSection":100,"keywords":101},"https:\u002F\u002Fschema.org","TechArticle",{"@type":86,"name":87,"url":88},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":86,"name":87,"url":88,"logo":90},{"@type":91,"url":92},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":94,"name":6,"description":95,"additionalType":96},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":98,"@id":99},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-22143","Cybersecurity","CVE-2021-22143, CVE-2021-22143 vulnerability, CVE-2021-22143 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[103],{"Operator":26,"Negate":26,"Nodes":104},[105],{"Operator":106,"Negate":26,"CPEMatch":107},"OR",[108],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":109,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":110,"VersionEndIncluding":26},"09686D38-9240-4B82-8117-54E74CA49760","1.10.0",[],[],{"lastModified":11,"cacheTime":114,"version":115},1792260448112,"2.0",{"score":117,"band":118,"action":119,"scoredAt":120},18,"Info","Track","2026-10-16T06:59:52.828326+00:00"]