[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fuBXDUGCO9XYoDi3IrT5E47NJvBmj2b-TrXh_izRI_Ks":3,"g5a-risk:CVE-2021-21810":119},{"success":4,"data":5,"meta":117},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":57,"weaknesses":65,"weaknessesCount":79,"isActivelyExploited":80,"cisaInfo":27,"otxData":27,"relatedBlogPosts":81,"seoMetadata":82,"configurations":107,"relatedVendorCves":115,"notableEvents":116},"CVE-2021-21810","What is CVE-2021-21810?","A memory corruption vulnerability exists in the XML-parsing ParseAttribs functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.","A memory corruption vulnerability exists in the XML-parsing ParseAttribs functionality of AT&T Labs’ Xmill 0.7. A specially crafted XML file can lead to a he...","2021-08-17T20:15:07.597","2022-07-21T11:55:57.467",9.8,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":30,"CVSSMetricV2":39,"CVSSMetricV40":27},[16],{"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,[31],{"Source":32,"Type":33,"CVSSData":34,"ExploitabilityScore":38,"ImpactScore":29},"talos-cna@cisco.com","Secondary",{"Version":35,"VectorString":36,"AttackVector":21,"AttackComplexity":25,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"AvailabilityImpact":25,"BaseScore":37,"BaseSeverity":25,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":27,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.0","CVSS:3.0\u002FAV:N\u002FAC:H\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",8.1,2.2,[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",7.5,10,6.4,0.01136,[48,48,48,48,48,48,48],"Critical",[52],{"vendor":53,"product":54,"version":55,"criteria":56,"vulnerable":4},"att","xmill","0.7","cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:*",1,[59],{"url":60,"source":61,"tags":62},"https:\u002F\u002Ftalosintelligence.com\u002Fvulnerability_reports\u002FTALOS-2021-1278","Talosintelligence",[63,64],"Exploit","Third Party Advisory",[66,74],{"id":67,"name":68,"description":69,"extendedDescription":70,"status":71,"abstraction":72,"structure":73},"CWE-787","Out-of-bounds Write","The product writes data past the end, or before the beginning, of the intended buffer.","","Draft","Base","Simple",{"id":75,"name":76,"description":77,"extendedDescription":70,"status":71,"abstraction":78,"structure":73},"CWE-122","Heap-based Buffer Overflow","A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().","Variant",2,false,[],{"title":83,"metaDescription":84,"keywords":85,"canonicalUrl":86,"structuredData":87},"What is CVE-2021-21810? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-21810, a critical severity cyber security vulnerability from 2021. A memory corruption vulnerability exists in the XML-par...","CVE-2021-21810, CVE-2021-21810 vulnerability, CVE-2021-21810 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, att security, xmill vulnerability","\u002Fwhat-is\u002Fcve-2021-21810",{"@context":88,"@type":89,"headline":83,"description":84,"datePublished":10,"dateModified":11,"author":90,"publisher":94,"about":98,"mainEntityOfPage":102,"articleSection":105,"keywords":106},"https:\u002F\u002Fschema.org","TechArticle",{"@type":91,"name":92,"url":93},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":91,"name":92,"url":93,"logo":95},{"@type":96,"url":97},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":99,"name":6,"description":100,"additionalType":101},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":103,"@id":104},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-21810","Cybersecurity","CVE-2021-21810, CVE-2021-21810 vulnerability, CVE-2021-21810 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[108],{"Operator":27,"Negate":27,"Nodes":109},[110],{"Operator":111,"Negate":27,"CPEMatch":112},"OR",[113],{"Vulnerable":4,"Criteria":56,"MatchCriteriaID":114,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"4CC987F6-AAFA-4CDE-842D-EA7858A3E7F4",[],[],{"lastModified":11,"cacheTime":118,"version":42},1792378930701,{"score":120,"band":121,"action":122,"scoredAt":123},56,"Medium","Plan remediation","2026-10-16T06:51:51.874445+00:00"]