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Using the same secret (e.g. trusted CA) across many resources together with the combined validation context could lead to the “static” part of the validation context to be not applied, even though it was visible in the active config dump.","CNCF Envoy through 1.13.0 has incorrect Access Control when using SDS with Combined Validation Context. Using the same secret (e.g. trusted CA) across many r...","2020-03-04T21:15:11.497","2021-07-21T11:39:23.747",5.3,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:L\u002FI:N\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":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":22,"IntegrityImpact":23,"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","MEDIUM",null,3.9,1.4,[30],{"Source":17,"Type":18,"CVSSData":31,"BaseSeverity":25,"ExploitabilityScore":36,"ImpactScore":37,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":32,"VectorString":33,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":34,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":35,"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:N\u002FC:P\u002FI:N\u002FA:N","PARTIAL",5,10,2.9,0.013,[38,38,38,38,38,38,38],"Medium",[42],{"vendor":43,"product":44,"version":45,"criteria":46,"vulnerable":4},"cncf","envoy","*","cpe:2.3:a:cncf:envoy:*:*:*:*:*:*:*:*",1,[49,54,58],{"url":50,"source":51,"tags":52},"https:\u002F\u002Faccess.redhat.com\u002Ferrata\u002FRHSA-2020:0734","Red Hat",[53],"Third Party Advisory",{"url":55,"source":56,"tags":57},"https:\u002F\u002Fgithub.com\u002Fenvoyproxy\u002Fenvoy\u002Fsecurity\u002Fadvisories\u002FGHSA-3x9m-pgmg-xpx8","GitHub",[53],{"url":59,"source":60,"tags":61},"https:\u002F\u002Fwww.envoyproxy.io\u002Fdocs\u002Fenvoy\u002Fv1.13.1\u002Fintro\u002Fversion_history","Envoyproxy",[62,53],"Release Notes",3,[65],{"id":66,"name":67,"description":68,"extendedDescription":69,"status":70,"abstraction":71,"structure":72},"CWE-287","Improper Authentication","When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.","","Draft","Class","Simple",false,[],{"title":76,"metaDescription":77,"keywords":78,"canonicalUrl":79,"structuredData":80},"What is CVE-2020-8664? 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CNCF Envoy through 1.13.0 has incorrect Access Control whe...","CVE-2020-8664, CVE-2020-8664 vulnerability, CVE-2020-8664 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2020, CVSS score, exploit, patch, remediation, cncf security, envoy vulnerability","\u002Fwhat-is\u002Fcve-2020-8664",{"@context":81,"@type":82,"headline":76,"description":77,"datePublished":10,"dateModified":11,"author":83,"publisher":87,"about":91,"mainEntityOfPage":95,"articleSection":98,"keywords":99},"https:\u002F\u002Fschema.org","TechArticle",{"@type":84,"name":85,"url":86},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":84,"name":85,"url":86,"logo":88},{"@type":89,"url":90},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":92,"name":6,"description":93,"additionalType":94},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":96,"@id":97},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2020-8664","Cybersecurity","CVE-2020-8664, CVE-2020-8664 vulnerability, CVE-2020-8664 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[101],{"Operator":26,"Negate":26,"Nodes":102},[103],{"Operator":104,"Negate":26,"CPEMatch":105},"OR",[106],{"Vulnerable":4,"Criteria":46,"MatchCriteriaID":107,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":108},"5F6EEB31-7DC7-4778-8EB5-B4C6E0CC2ED1","1.13.0",[],[],{"lastModified":11,"cacheTime":112,"version":32},1792348008608,{"score":114,"band":115,"action":116,"scoredAt":117},28,"Low","Monitor","2026-10-16T06:48:01.741932+00:00"]