[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8KVBzdNdMfnwrydjzJ0HyxzauJ7spxwezuixgwImjd0":3,"g5a-risk:CVE-2021-45937":116},{"success":4,"data":5,"meta":114},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":40,"epssPercentile":27,"epssTimeSeries":41,"severity":43,"affectedProducts":44,"affectedProductsCount":50,"references":51,"referencesCount":67,"weaknesses":68,"weaknessesCount":50,"isActivelyExploited":77,"cisaInfo":27,"otxData":27,"relatedBlogPosts":78,"seoMetadata":79,"configurations":104,"relatedVendorCves":112,"notableEvents":113},"CVE-2021-45937","What is CVE-2021-45937?","wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Connect).","2022-01-01T01:15:08.78","2022-01-11T21:17:38.743",5.5,"CVSS:3.1\u002FAV:L\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":27,"CVSSMetricV2":30,"CVSSMetricV40":27},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":19,"VectorString":12,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":25,"BaseScore":11,"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","LOCAL","LOW","NONE","REQUIRED","UNCHANGED","HIGH","MEDIUM",null,1.8,3.6,[31],{"Source":16,"Type":17,"CVSSData":32,"BaseSeverity":26,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":4},{"Version":33,"VectorString":34,"AccessVector":35,"AccessComplexity":26,"Authentication":22,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":36,"BaseScore":37,"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:M\u002FAu:N\u002FC:N\u002FI:N\u002FA:P","NETWORK","PARTIAL",4.3,8.6,2.9,0.00917,[42,42,42,40,40,40,40],0.00887,"Medium",[45],{"vendor":46,"product":47,"version":48,"criteria":49,"vulnerable":4},"wolfssl","wolfmqtt","1.9","cpe:2.3:a:wolfssl:wolfmqtt:1.9:*:*:*:*:*:*:*",1,[52,59,63],{"url":53,"source":54,"tags":55},"https:\u002F\u002Fbugs.chromium.org\u002Fp\u002Foss-fuzz\u002Fissues\u002Fdetail?id=39083","Chromium",[56,57,58],"Exploit","Issue Tracking","Third Party Advisory",{"url":60,"source":61,"tags":62},"https:\u002F\u002Fgithub.com\u002Fgoogle\u002Foss-fuzz-vulns\u002Fblob\u002Fmain\u002Fvulns\u002Fwolfmqtt\u002FOSV-2021-1349.yaml","GitHub",[56,58],{"url":64,"source":61,"tags":65},"https:\u002F\u002Fgithub.com\u002FwolfSSL\u002FwolfMQTT\u002Fcommit\u002F84d4b53122e0fa0280c7872350b89d5777dabbb2",[66,58],"Patch",3,[69],{"id":70,"name":71,"description":72,"extendedDescription":73,"status":74,"abstraction":75,"structure":76},"CWE-787","Out-of-bounds Write","The product writes data past the end, or before the beginning, of the intended buffer.","","Draft","Base","Simple",false,[],{"title":80,"metaDescription":81,"keywords":82,"canonicalUrl":83,"structuredData":84},"What is CVE-2021-45937? Vulnerability Analysis | Security Advisory | EdgeProtect","Comprehensive analysis of CVE-2021-45937, a medium severity cyber security vulnerability from 2022. wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in ...","CVE-2021-45937, CVE-2021-45937 vulnerability, CVE-2021-45937 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, wolfssl security, wolfmqtt vulnerability","\u002Fwhat-is\u002Fcve-2021-45937",{"@context":85,"@type":86,"headline":80,"description":81,"datePublished":9,"dateModified":10,"author":87,"publisher":91,"about":95,"mainEntityOfPage":99,"articleSection":102,"keywords":103},"https:\u002F\u002Fschema.org","TechArticle",{"@type":88,"name":89,"url":90},"Organization","EdgeProtect","https:\u002F\u002Fedgeprotect.io",{"@type":88,"name":89,"url":90,"logo":92},{"@type":93,"url":94},"ImageObject","https:\u002F\u002Fedgeprotect.io\u002Fimg\u002Flogos\u002Fedgeprotect-logo-512.png",{"@type":96,"name":6,"description":97,"additionalType":98},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":100,"@id":101},"WebPage","https:\u002F\u002Fedgeprotect.io\u002Fwhat-is\u002Fcve-2021-45937","Cybersecurity","CVE-2021-45937, CVE-2021-45937 vulnerability, CVE-2021-45937 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[105],{"Operator":27,"Negate":27,"Nodes":106},[107],{"Operator":108,"Negate":27,"CPEMatch":109},"OR",[110],{"Vulnerable":4,"Criteria":49,"MatchCriteriaID":111,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"9C97B577-1823-49CD-84CE-9B7D7B04AE4F",[],[],{"lastModified":10,"cacheTime":115,"version":33},1793229489489,{"score":117,"band":43,"action":118,"scoredAt":119},40,"Plan remediation","2026-10-28T06:52:45.007102+00:00"]