[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGR_MSqaF9M81IYuGy-WdFbMmnHTajNj7cjtm9-TSAC4":3,"g5a-risk:CVE-2021-43449":119},{"success":4,"data":5,"meta":116},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":34,"epssPercentile":27,"epssTimeSeries":35,"severity":36,"affectedProducts":37,"affectedProductsCount":43,"references":44,"referencesCount":68,"weaknesses":69,"weaknessesCount":43,"isActivelyExploited":78,"cisaInfo":27,"otxData":27,"relatedBlogPosts":79,"seoMetadata":80,"configurations":105,"relatedVendorCves":114,"notableEvents":115},"CVE-2021-43449","What is CVE-2021-43449?","ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arbitrary URLs as a document.","ONLYOFFICE all versions as of 2021-11-08 is vulnerable to Server-Side Request Forgery (SSRF). The document editor service can be abused to read and serve arb...","2023-01-23T15:15:13.637","2025-04-02T16:15:19.767",8.1,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:H\u002FI:H\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":27,"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":24,"Scope":25,"ConfidentialityImpact":26,"IntegrityImpact":26,"AvailabilityImpact":23,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":23,"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","REQUIRED","UNCHANGED","HIGH",null,2.8,5.2,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":28,"ImpactScore":29},"134c704f-9b21-4f2e-91b3-4a467353bcc0","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":26,"IntegrityImpact":26,"AvailabilityImpact":23,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":23,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},0.01249,[34,34,34,34,34,34,34],"High",[38],{"vendor":39,"product":40,"version":41,"criteria":42,"vulnerable":4},"onlyoffice","server","*","cpe:2.3:a:onlyoffice:server:*:*:*:*:*:*:*:*",1,[45,50,56,62,64,66],{"url":46,"source":47,"tags":48},"https:\u002F\u002Fgithub.com\u002FONLYOFFICE\u002Fserver","GitHub",[49],"Third Party Advisory",{"url":51,"source":52,"tags":53},"https:\u002F\u002Flabs.nettitude.com\u002Fblog\u002Fexploiting-onlyoffice-web-sockets-for-unauthenticated-remote-code-execution\u002F","Nettitude",[54,55,49],"Exploit","Mitigation",{"url":57,"source":58,"tags":59},"https:\u002F\u002Fwww.onlyoffice.com\u002F","Onlyoffice",[60,61],"Product","Vendor Advisory",{"url":46,"source":47,"tags":63},[49],{"url":51,"source":52,"tags":65},[54,55,49],{"url":57,"source":58,"tags":67},[60,61],6,[70],{"id":71,"name":72,"description":73,"extendedDescription":74,"status":75,"abstraction":76,"structure":77},"CWE-918","Server-Side Request Forgery (SSRF)","The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.","By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file:\u002F\u002F), or use other protocols such as gopher:\u002F\u002F or tftp:\u002F\u002F, which may provide greater control over the contents of requests.","Incomplete","Base","Simple",false,[],{"title":81,"metaDescription":82,"keywords":83,"canonicalUrl":84,"structuredData":85},"What is CVE-2021-43449? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-43449, a high severity cyber security vulnerability from 2023. ONLYOFFICE all versions as of 2021-11-08 is vulnerable to S...","CVE-2021-43449, CVE-2021-43449 vulnerability, CVE-2021-43449 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-2021-43449",{"@context":86,"@type":87,"headline":81,"description":82,"datePublished":10,"dateModified":11,"author":88,"publisher":92,"about":96,"mainEntityOfPage":100,"articleSection":103,"keywords":104},"https:\u002F\u002Fschema.org","TechArticle",{"@type":89,"name":90,"url":91},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":89,"name":90,"url":91,"logo":93},{"@type":94,"url":95},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":97,"name":6,"description":98,"additionalType":99},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":101,"@id":102},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-43449","Cybersecurity","CVE-2021-43449, CVE-2021-43449 vulnerability, CVE-2021-43449 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[106],{"Operator":27,"Negate":27,"Nodes":107},[108],{"Operator":109,"Negate":27,"CPEMatch":110},"OR",[111],{"Vulnerable":4,"Criteria":42,"MatchCriteriaID":112,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":113},"F20D43B1-2433-412A-8D51-7D04C974D445","7.0.0.49",[],[],{"lastModified":11,"cacheTime":117,"version":118},1792329991633,"2.0",{"score":120,"band":121,"action":122,"scoredAt":123},50,"Medium","Plan remediation","2026-10-16T06:56:55.292601+00:00"]