[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f1oU-F-yQCvNQDBgpKei53UNrERbeSsg4j0OZsjNRF-w":3,"g5a-risk:CVE-2021-43447":118},{"success":4,"data":5,"meta":115},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":33,"epssPercentile":26,"epssTimeSeries":34,"severity":35,"affectedProducts":36,"affectedProductsCount":42,"references":43,"referencesCount":67,"weaknesses":68,"weaknessesCount":42,"isActivelyExploited":77,"cisaInfo":26,"otxData":26,"relatedBlogPosts":78,"seoMetadata":79,"configurations":104,"relatedVendorCves":113,"notableEvents":114},"CVE-2021-43447","What is CVE-2021-43447?","ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit documents without authentication.","ONLYOFFICE all versions as of 2021-11-08 is affected by Incorrect Access Control. An authentication bypass in the document editor allows attackers to edit do...","2023-01-23T15:15:13.397","2025-04-02T16:15:19.257",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:H\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":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":25,"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","HIGH",null,3.9,3.6,{"Source":30,"Type":31,"CVSSData":32,"ExploitabilityScore":27,"ImpactScore":28},"134c704f-9b21-4f2e-91b3-4a467353bcc0","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":25,"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},0.01254,[33,33,33,33,33,33,33],"High",[37],{"vendor":38,"product":39,"version":40,"criteria":41,"vulnerable":4},"onlyoffice","server","*","cpe:2.3:a:onlyoffice:server:*:*:*:*:*:*:*:*",1,[44,49,55,61,63,65],{"url":45,"source":46,"tags":47},"https:\u002F\u002Fgithub.com\u002FONLYOFFICE\u002Fserver","GitHub",[48],"Third Party Advisory",{"url":50,"source":51,"tags":52},"https:\u002F\u002Flabs.nettitude.com\u002Fblog\u002Fexploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution\u002F","Nettitude",[53,54,48],"Exploit","Mitigation",{"url":56,"source":57,"tags":58},"https:\u002F\u002Fwww.onlyoffice.com\u002F","Onlyoffice",[59,60],"Product","Vendor Advisory",{"url":45,"source":46,"tags":62},[48],{"url":50,"source":51,"tags":64},[53,54,48],{"url":56,"source":57,"tags":66},[59,60],6,[69],{"id":70,"name":71,"description":72,"extendedDescription":73,"status":74,"abstraction":75,"structure":76},"CWE-306","Missing Authentication for Critical Function","The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","","Draft","Base","Simple",false,[],{"title":80,"metaDescription":81,"keywords":82,"canonicalUrl":83,"structuredData":84},"What is CVE-2021-43447? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-43447, a high severity cyber security vulnerability from 2023. ONLYOFFICE all versions as of 2021-11-08 is affected by Inc...","CVE-2021-43447, CVE-2021-43447 vulnerability, CVE-2021-43447 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, onlyoffice security, server vulnerability","\u002Fwhat-is\u002Fcve-2021-43447",{"@context":85,"@type":86,"headline":80,"description":81,"datePublished":10,"dateModified":11,"author":87,"publisher":91,"about":95,"mainEntityOfPage":99,"articleSection":102,"keywords":103},"https:\u002F\u002Fschema.org","TechArticle",{"@type":88,"name":89,"url":90},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":88,"name":89,"url":90,"logo":92},{"@type":93,"url":94},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":96,"name":6,"description":97,"additionalType":98},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":100,"@id":101},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-43447","Cybersecurity","CVE-2021-43447, CVE-2021-43447 vulnerability, CVE-2021-43447 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[105],{"Operator":26,"Negate":26,"Nodes":106},[107],{"Operator":108,"Negate":26,"CPEMatch":109},"OR",[110],{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":111,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":112},"F20D43B1-2433-412A-8D51-7D04C974D445","7.0.0.49",[],[],{"lastModified":11,"cacheTime":116,"version":117},1792338793112,"2.0",{"score":119,"band":120,"action":121,"scoredAt":122},51,"Medium","Plan remediation","2026-10-16T06:56:55.291993+00:00"]