[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fW02UIdamS3-QCDBqaUyOX3OEu-UBPJIV723InjwY45M":3,"g5a-risk:CVE-2021-27098":122},{"success":4,"data":5,"meta":120},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":26,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":49,"references":50,"referencesCount":49,"weaknesses":56,"weaknessesCount":49,"isActivelyExploited":65,"cisaInfo":26,"otxData":26,"relatedBlogPosts":66,"seoMetadata":67,"configurations":92,"relatedVendorCves":118,"notableEvents":119},"CVE-2021-27098","What is CVE-2021-27098?","In SPIRE 0.8.1 through 0.8.4 and before versions 0.9.4, 0.10.2, 0.11.3 and 0.12.1, specially crafted requests to the FetchX509SVID RPC of SPIRE Server’s Legacy Node API can result in the possible issuance of an X.509 certificate with a URI SAN for a SPIFFE ID that the agent is not authorized to distribute. Proper controls are in place to require that the caller presents a valid agent certificate that is already authorized to issue at least one SPIFFE ID, and the requested SPIFFE ID belongs to the same trust domain, prior to being able to trigger this vulnerability. This issue has been fixed in SPIRE versions 0.8.5, 0.9.4, 0.10.2, 0.11.3 and 0.12.1.","In SPIRE 0.8.1 through 0.8.4 and before versions 0.9.4, 0.10.2, 0.11.3 and 0.12.1, specially crafted requests to the FetchX509SVID RPC of SPIRE Server’s Lega...","2021-03-05T17:15:14.92","2021-03-16T18:27:32.28",8.1,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":26,"CVSSMetricV2":29,"CVSSMetricV40":26},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"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,2.8,5.2,[30],{"Source":17,"Type":18,"CVSSData":31,"BaseSeverity":37,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":32,"VectorString":33,"AccessVector":21,"AccessComplexity":22,"Authentication":34,"ConfidentialityImpact":35,"IntegrityImpact":35,"AvailabilityImpact":23,"BaseScore":36,"BaseSeverity":26,"Exploitability":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"CollateralDamagePotential":26,"TargetDistribution":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":26,"EnvironmentalScore":26},"2.0","AV:N\u002FAC:L\u002FAu:S\u002FC:P\u002FI:P\u002FA:N","SINGLE","PARTIAL",5.5,"MEDIUM",8,4.9,0.00558,[40,40,40,40,40,40,40],"High",[44],{"vendor":45,"product":46,"version":47,"criteria":48,"vulnerable":4},"cncf","spire","*","cpe:2.3:a:cncf:spire:*:*:*:*:*:*:*:*",1,[51],{"url":52,"source":53,"tags":54},"https:\u002F\u002Fgithub.com\u002Fspiffe\u002Fspire\u002Fsecurity\u002Fadvisories\u002FGHSA-h746-rm5q-8mgq","GitHub",[55],"Third Party Advisory",[57],{"id":58,"name":59,"description":60,"extendedDescription":61,"status":62,"abstraction":63,"structure":64},"CWE-295","Improper Certificate Validation","The product does not validate, or incorrectly validates, a certificate.","When a certificate is invalid or malicious, it might allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client. The product might connect to a malicious host while believing it is a trusted host, or the product might be deceived into accepting spoofed data that appears to originate from a trusted host.","Draft","Base","Simple",false,[],{"title":68,"metaDescription":69,"keywords":70,"canonicalUrl":71,"structuredData":72},"What is CVE-2021-27098? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-27098, a high severity cyber security vulnerability from 2021. In SPIRE 0.8.1 through 0.8.4 and before versions 0.9.4, 0.1...","CVE-2021-27098, CVE-2021-27098 vulnerability, CVE-2021-27098 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, cncf security, spire vulnerability","\u002Fwhat-is\u002Fcve-2021-27098",{"@context":73,"@type":74,"headline":68,"description":69,"datePublished":10,"dateModified":11,"author":75,"publisher":79,"about":83,"mainEntityOfPage":87,"articleSection":90,"keywords":91},"https:\u002F\u002Fschema.org","TechArticle",{"@type":76,"name":77,"url":78},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":76,"name":77,"url":78,"logo":80},{"@type":81,"url":82},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":84,"name":6,"description":85,"additionalType":86},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":88,"@id":89},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-27098","Cybersecurity","CVE-2021-27098, CVE-2021-27098 vulnerability, CVE-2021-27098 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[93],{"Operator":26,"Negate":26,"Nodes":94},[95],{"Operator":96,"Negate":26,"CPEMatch":97},"OR",[98,102,106,110,114],{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":99,"VersionStartExcluding":26,"VersionStartIncluding":100,"VersionEndExcluding":26,"VersionEndIncluding":101},"53FC0C26-EC3F-45EE-ADAC-FC283813FBE1","0.8.1","0.8.4",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":103,"VersionStartExcluding":26,"VersionStartIncluding":104,"VersionEndExcluding":105,"VersionEndIncluding":26},"E7436751-C627-4143-A890-8B04D9C6642D","0.9.0","0.9.4",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":107,"VersionStartExcluding":26,"VersionStartIncluding":108,"VersionEndExcluding":109,"VersionEndIncluding":26},"E330A728-6B22-4C71-B37A-119BD2D3EADB","0.10.0","0.10.2",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":111,"VersionStartExcluding":26,"VersionStartIncluding":112,"VersionEndExcluding":113,"VersionEndIncluding":26},"EA57458D-53C5-4E8D-AFC2-D56826904304","0.11.0","0.11.3",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":115,"VersionStartExcluding":26,"VersionStartIncluding":116,"VersionEndExcluding":117,"VersionEndIncluding":26},"F05F1090-6FFC-4C74-B9D3-D63B3259A46A","0.12.0","0.12.1",[],[],{"lastModified":11,"cacheTime":121,"version":32},1792353325525,{"score":123,"band":124,"action":125,"scoredAt":126},46,"Medium","Plan remediation","2026-10-16T06:50:38.804969+00:00"]