[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fSOQR3dbTGFhU5e7MWOOace4I4A6hiOmcEZXJ7G94pbs":3,"g5a-risk:CVE-2020-26117":155},{"success":4,"data":5,"meta":153},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":40,"epssPercentile":27,"epssTimeSeries":41,"severity":42,"affectedProducts":43,"affectedProductsCount":58,"references":59,"referencesCount":96,"weaknesses":97,"weaknessesCount":106,"isActivelyExploited":107,"cisaInfo":27,"otxData":27,"relatedBlogPosts":108,"seoMetadata":109,"configurations":134,"relatedVendorCves":151,"notableEvents":152},"CVE-2020-26117","What is CVE-2020-26117?","In rfb\u002FCSecurityTLS.cxx and rfb\u002FCSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.","In rfb\u002FCSecurityTLS.cxx and rfb\u002FCSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as aut...","2020-09-27T04:15:11.65","2022-11-16T14:13:22.957",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":30,"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":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,[31],{"Source":17,"Type":18,"CVSSData":32,"BaseSeverity":35,"ExploitabilityScore":38,"ImpactScore":39,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":4},{"Version":33,"VectorString":34,"AccessVector":21,"AccessComplexity":35,"Authentication":23,"ConfidentialityImpact":36,"IntegrityImpact":36,"AvailabilityImpact":23,"BaseScore":37,"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:M\u002FAu:N\u002FC:P\u002FI:P\u002FA:N","MEDIUM","PARTIAL",5.8,8.6,4.9,0.0306,[40,40,40,40,40,40,40],"High",[44,48,53],{"vendor":45,"product":45,"version":46,"criteria":47,"vulnerable":4},"tigervnc","*","cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":51,"criteria":52,"vulnerable":4},"debian","debian_linux","9.0","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",{"vendor":54,"product":55,"version":56,"criteria":57,"vulnerable":4},"opensuse","leap","15.2","cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",3,[60,67,70,74,79,82,85,88,92],{"url":61,"source":62,"tags":63},"http:\u002F\u002Flists.opensuse.org\u002Fopensuse-security-announce\u002F2020-10\u002Fmsg00025.html","Opensuse",[64,65,66],"Broken Link","Mailing List","Third Party Advisory",{"url":68,"source":62,"tags":69},"http:\u002F\u002Flists.opensuse.org\u002Fopensuse-security-announce\u002F2020-11\u002Fmsg00024.html",[64,65,66],{"url":71,"source":62,"tags":72},"https:\u002F\u002Fbugzilla.opensuse.org\u002Fshow_bug.cgi?id=1176733",[73,66],"Issue Tracking",{"url":75,"source":76,"tags":77},"https:\u002F\u002Fgithub.com\u002FTigerVNC\u002Ftigervnc\u002Fcommit\u002F20dea801e747318525a5859fe4f37c52b05310cb","GitHub",[78,66],"Patch",{"url":80,"source":76,"tags":81},"https:\u002F\u002Fgithub.com\u002FTigerVNC\u002Ftigervnc\u002Fcommit\u002F7399eab79a4365434d26494fa1628ce1eb91562b",[78,66],{"url":83,"source":76,"tags":84},"https:\u002F\u002Fgithub.com\u002FTigerVNC\u002Ftigervnc\u002Fcommit\u002Fb30f10c681ec87720cff85d490f67098568a9cba",[78,66],{"url":86,"source":76,"tags":87},"https:\u002F\u002Fgithub.com\u002FTigerVNC\u002Ftigervnc\u002Fcommit\u002Ff029745f63ac7d22fb91639b2cb5b3ab56134d6e",[78,66],{"url":89,"source":76,"tags":90},"https:\u002F\u002Fgithub.com\u002FTigerVNC\u002Ftigervnc\u002Freleases\u002Ftag\u002Fv1.11.0",[91,66],"Release Notes",{"url":93,"source":94,"tags":95},"https:\u002F\u002Flists.debian.org\u002Fdebian-lts-announce\u002F2020\u002F10\u002Fmsg00007.html","Debian",[65,66],9,[98],{"id":99,"name":100,"description":101,"extendedDescription":102,"status":103,"abstraction":104,"structure":105},"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",1,false,[],{"title":110,"metaDescription":111,"keywords":112,"canonicalUrl":113,"structuredData":114},"What is CVE-2020-26117? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2020-26117, a high severity cyber security vulnerability from 2020. In rfb\u002FCSecurityTLS.cxx and rfb\u002FCSecurityTLS.java in TigerV...","CVE-2020-26117, CVE-2020-26117 vulnerability, CVE-2020-26117 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2020, CVSS score, exploit, patch, remediation, tigervnc security, debian security, opensuse security, tigervnc vulnerability, debian_linux vulnerability, leap vulnerability","\u002Fwhat-is\u002Fcve-2020-26117",{"@context":115,"@type":116,"headline":110,"description":111,"datePublished":10,"dateModified":11,"author":117,"publisher":121,"about":125,"mainEntityOfPage":129,"articleSection":132,"keywords":133},"https:\u002F\u002Fschema.org","TechArticle",{"@type":118,"name":119,"url":120},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":118,"name":119,"url":120,"logo":122},{"@type":123,"url":124},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":126,"name":6,"description":127,"additionalType":128},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":130,"@id":131},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2020-26117","Cybersecurity","CVE-2020-26117, CVE-2020-26117 vulnerability, CVE-2020-26117 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[135,143],{"Operator":27,"Negate":27,"Nodes":136},[137],{"Operator":138,"Negate":27,"CPEMatch":139},"OR",[140],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":141,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":142,"VersionEndIncluding":27},"EC52A117-CA1A-4BDC-B60B-36D84CB48B35","1.11.0",{"Operator":27,"Negate":27,"Nodes":144},[145],{"Operator":138,"Negate":27,"CPEMatch":146},[147,149],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":148,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"DEECE5FC-CACF-4496-A3E7-164736409252",{"Vulnerable":4,"Criteria":57,"MatchCriteriaID":150,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"B009C22E-30A4-4288-BCF6-C3E81DEAF45A",[],[],{"lastModified":11,"cacheTime":154,"version":33},1792266354962,{"score":156,"band":157,"action":158,"scoredAt":159},47,"Medium","Plan remediation","2026-10-16T06:49:33.849427+00:00"]