[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fMVUraqxpgkFbazfaCKmyNJSJmcTRB7XzR2c5s_qLj8g":3,"g5a-risk:CVE-2020-10071":143},{"success":4,"data":5,"meta":141},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":48,"epssPercentile":27,"epssTimeSeries":49,"severity":50,"affectedProducts":51,"affectedProductsCount":57,"references":58,"referencesCount":78,"weaknesses":79,"weaknessesCount":95,"isActivelyExploited":96,"cisaInfo":27,"otxData":27,"relatedBlogPosts":97,"seoMetadata":98,"configurations":123,"relatedVendorCves":132,"notableEvents":133},"CVE-2020-10071","What is CVE-2020-10071?","The Zephyr MQTT parsing code performs insufficient checking of the length field on publish messages, allowing a buffer overflow and potentially remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.","The Zephyr MQTT parsing code performs insufficient checking of the length field on publish messages, allowing a buffer overflow and potentially remote code e...","2020-06-05T18:15:13.087","2020-06-12T14:28:45.177",9.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":39,"CVSSMetricV40":27},[16,30],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":12,"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","NETWORK","LOW","NONE","UNCHANGED","HIGH","CRITICAL",null,3.9,5.9,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":37,"ImpactScore":38},"vulnerabilities@zephyrproject.org","Secondary",{"Version":20,"VectorString":34,"AttackVector":21,"AttackComplexity":25,"PrivilegesRequired":23,"UserInteraction":23,"Scope":35,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":36,"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},"CVSS:3.1\u002FAV:N\u002FAC:H\u002FPR:N\u002FUI:N\u002FS:C\u002FC:H\u002FI:H\u002FA:H","CHANGED",9,2.2,6,[40],{"Source":17,"Type":18,"CVSSData":41,"BaseSeverity":25,"ExploitabilityScore":46,"ImpactScore":47,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":42,"VectorString":43,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":44,"IntegrityImpact":44,"AvailabilityImpact":44,"BaseScore":45,"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:L\u002FAu:N\u002FC:P\u002FI:P\u002FA:P","PARTIAL",7.5,10,6.4,0.03395,[48,48,48,48,48,48,48],"Critical",[52],{"vendor":53,"product":54,"version":55,"criteria":56,"vulnerable":4},"zephyrproject","zephyr","*","cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*",1,[59,64,70,74],{"url":60,"source":61,"tags":62},"https:\u002F\u002Fdocs.zephyrproject.org\u002Flatest\u002Fsecurity\u002Fvulnerabilities.html#cve-2020-10071","Zephyrproject",[63],"Vendor Advisory",{"url":65,"source":66,"tags":67},"https:\u002F\u002Fgithub.com\u002Fzephyrproject-rtos\u002Fzephyr\u002Fpull\u002F23821\u002Fcommits\u002F989c4713ba429aa5105fe476b4d629718f3e6082","GitHub",[68,69],"Patch","Third Party Advisory",{"url":71,"source":72,"tags":73},"https:\u002F\u002Fresearch.nccgroup.com\u002F2020\u002F05\u002F26\u002Fresearch-report-zephyr-and-mcuboot-security-assessment","Nccgroup",[69],{"url":75,"source":76,"tags":77},"https:\u002F\u002Fzephyrprojectsec.atlassian.net\u002Fbrowse\u002FZEPSEC-86","Atlassian",[69],4,[80,88],{"id":81,"name":82,"description":83,"extendedDescription":84,"status":85,"abstraction":86,"structure":87},"CWE-120","Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.","A buffer overflow condition exists when a product attempts to put more data in a buffer than it can hold, or when it attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the \"classic\" case in which the product copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.","Incomplete","Base","Simple",{"id":89,"name":90,"description":91,"extendedDescription":92,"status":93,"abstraction":94,"structure":87},"CWE-129","Improper Validation of Array Index","The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.","","Draft","Variant",2,false,[],{"title":99,"metaDescription":100,"keywords":101,"canonicalUrl":102,"structuredData":103},"What is CVE-2020-10071? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2020-10071, a critical severity cyber security vulnerability from 2020. The Zephyr MQTT parsing code performs insufficient chec...","CVE-2020-10071, CVE-2020-10071 vulnerability, CVE-2020-10071 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2020, CVSS score, exploit, patch, remediation, zephyrproject security, zephyr vulnerability","\u002Fwhat-is\u002Fcve-2020-10071",{"@context":104,"@type":105,"headline":99,"description":100,"datePublished":10,"dateModified":11,"author":106,"publisher":110,"about":114,"mainEntityOfPage":118,"articleSection":121,"keywords":122},"https:\u002F\u002Fschema.org","TechArticle",{"@type":107,"name":108,"url":109},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":107,"name":108,"url":109,"logo":111},{"@type":112,"url":113},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":115,"name":6,"description":116,"additionalType":117},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":119,"@id":120},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2020-10071","Cybersecurity","CVE-2020-10071, CVE-2020-10071 vulnerability, CVE-2020-10071 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[124],{"Operator":27,"Negate":27,"Nodes":125},[126],{"Operator":127,"Negate":27,"CPEMatch":128},"OR",[129],{"Vulnerable":4,"Criteria":56,"MatchCriteriaID":130,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":131},"A50EF02E-4F26-4016-9D73-FF596F7EA61B","2.2.0",[],[134],{"id":135,"eventType":136,"eventTime":137,"details":138,"label":139,"color":140},"1c740f5c-ab68-4b1b-89db-f67ff1a2d4ec","LOW_EPSS_DELTA","2026-06-16T04:05:57.944475+00:00","Daily EPSS score decreased by 0.105 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":11,"cacheTime":142,"version":42},1792450277083,{"score":144,"band":145,"action":146,"scoredAt":147},55,"Medium","Plan remediation","2026-10-16T06:48:44.752754+00:00"]