[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fnIaTYB61LwLxtNe0FrkfFU1xfE-hcwJ4R50YdCFdvH8":3,"g5a-risk:CVE-2021-30047":104},{"success":4,"data":5,"meta":101},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":28,"epssPercentile":25,"epssTimeSeries":29,"severity":30,"affectedProducts":31,"affectedProductsCount":37,"references":38,"referencesCount":37,"weaknesses":46,"weaknessesCount":37,"isActivelyExploited":50,"cisaInfo":25,"otxData":25,"relatedBlogPosts":51,"seoMetadata":52,"configurations":77,"relatedVendorCves":85,"notableEvents":86},"CVE-2021-30047","What is CVE-2021-30047?","VSFTPD 3.0.3 allows attackers to cause a denial of service due to limited number of connections allowed.","2023-08-22T19:16:20.29","2023-08-25T19:55:41.143",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":25,"CVSSMetricV2":25,"CVSSMetricV40":25},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":26,"ImpactScore":27},"nvd@nist.gov","Primary",{"Version":19,"VectorString":12,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":22,"UserInteraction":22,"Scope":23,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":24,"BaseScore":11,"BaseSeverity":24,"ExploitCodeMaturity":25,"RemediationLevel":25,"ReportConfidence":25,"TemporalScore":25,"TemporalSeverity":25,"ConfidentialityRequirement":25,"IntegrityRequirement":25,"AvailabilityRequirement":24,"ModifiedAttackVector":25,"ModifiedAttackComplexity":25,"ModifiedPrivilegesRequired":25,"ModifiedUserInteraction":25,"ModifiedScope":25,"ModifiedConfidentialityImpact":25,"ModifiedIntegrityImpact":25,"ModifiedAvailabilityImpact":25,"EnvironmentalScore":25,"EnvironmentalSeverity":25},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH",null,3.9,3.6,0.03213,[28,28,28,28,28,28,28],"High",[32],{"vendor":33,"product":34,"version":35,"criteria":36,"vulnerable":4},"vsftpd_project","vsftpd","3.0.3","cpe:2.3:a:vsftpd_project:vsftpd:3.0.3:*:*:*:*:*:*:*",1,[39],{"url":40,"source":41,"tags":42},"https:\u002F\u002Fwww.exploit-db.com\u002Fexploits\u002F49719","Exploit-db",[43,44,45],"Exploit","Third Party Advisory","VDB Entry",[47],{"id":48,"name":48,"description":49},"Unknown","NVD-CWE-noinfo",false,[],{"title":53,"metaDescription":54,"keywords":55,"canonicalUrl":56,"structuredData":57},"What is CVE-2021-30047? Vulnerability Analysis | Security Advisory | EdgeProtect","Comprehensive analysis of CVE-2021-30047, a high severity cyber security vulnerability from 2023. VSFTPD 3.0.3 allows attackers to cause a denial of service ...","CVE-2021-30047, CVE-2021-30047 vulnerability, CVE-2021-30047 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2023, CVSS score, exploit, patch, remediation, vsftpd_project security, vsftpd vulnerability","\u002Fwhat-is\u002Fcve-2021-30047",{"@context":58,"@type":59,"headline":53,"description":54,"datePublished":9,"dateModified":10,"author":60,"publisher":64,"about":68,"mainEntityOfPage":72,"articleSection":75,"keywords":76},"https:\u002F\u002Fschema.org","TechArticle",{"@type":61,"name":62,"url":63},"Organization","EdgeProtect","https:\u002F\u002Fedgeprotect.io",{"@type":61,"name":62,"url":63,"logo":65},{"@type":66,"url":67},"ImageObject","https:\u002F\u002Fedgeprotect.io\u002Fimg\u002Flogos\u002Fedgeprotect-logo-512.png",{"@type":69,"name":6,"description":70,"additionalType":71},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":73,"@id":74},"WebPage","https:\u002F\u002Fedgeprotect.io\u002Fwhat-is\u002Fcve-2021-30047","Cybersecurity","CVE-2021-30047, CVE-2021-30047 vulnerability, CVE-2021-30047 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[78],{"Operator":25,"Negate":25,"Nodes":79},[80],{"Operator":81,"Negate":25,"CPEMatch":82},"OR",[83],{"Vulnerable":4,"Criteria":36,"MatchCriteriaID":84,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":25,"VersionEndIncluding":25},"52E96797-4F16-4478-B9CA-847E469AD982",[],[87,94],{"id":88,"eventType":89,"eventTime":90,"details":91,"label":92,"color":93},"5f541254-49bb-4f86-9689-c2195d98fab7","HIGH_EPSS_DELTA","2025-10-09T04:06:05.954351+00:00","Daily EPSS score increased by 0.311 on 2023-12-30","EPSS Score Increased","red",{"id":95,"eventType":96,"eventTime":97,"details":98,"label":99,"color":100},"137b32c3-8501-434f-931c-2647bb94821e","LOW_EPSS_DELTA","2026-06-16T04:05:39.676506+00:00","Daily EPSS score decreased by 0.308 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":10,"cacheTime":102,"version":103},1793209183103,"2.0",{"score":105,"band":106,"action":107,"scoredAt":108},49,"Medium","Plan remediation","2026-10-28T06:58:30.01055+00:00"]