[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPXtb3DsupFmbq8i3-SyPElPuEQlBnMQrU2os8HlMbbs":3,"g5a-risk:CVE-2021-45117":155},{"success":4,"data":5,"meta":153},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":39,"epssPercentile":27,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":70,"references":71,"referencesCount":88,"weaknesses":89,"weaknessesCount":98,"isActivelyExploited":99,"cisaInfo":27,"otxData":27,"relatedBlogPosts":100,"seoMetadata":101,"configurations":126,"relatedVendorCves":151,"notableEvents":152},"CVE-2021-45117","What is CVE-2021-45117?","The OPC autogenerated ANSI C stack stubs (in the NodeSets) do not handle all error cases. This can lead to a NULL pointer dereference.","2022-03-21T15:15:07.927","2022-09-03T03:55:39.127",6.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":27,"CVSSMetricV2":30,"CVSSMetricV40":27},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":19,"VectorString":12,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":25,"BaseScore":11,"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","REQUIRED","UNCHANGED","HIGH","MEDIUM",null,2.8,3.6,[31],{"Source":16,"Type":17,"CVSSData":32,"BaseSeverity":26,"ExploitabilityScore":37,"ImpactScore":38,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":4},{"Version":33,"VectorString":34,"AccessVector":20,"AccessComplexity":26,"Authentication":22,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":35,"BaseScore":36,"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:N\u002FI:N\u002FA:P","PARTIAL",4.3,8.6,2.9,0.01417,[39,39,39,39,39,39,39],"Medium",[43,48,53,56,59,62,66],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"opcfoundation","ua-nodeset","*","cpe:2.3:a:opcfoundation:ua-nodeset:*:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":51,"criteria":52,"vulnerable":4},"siemens","simatic_net_pc","14","cpe:2.3:a:siemens:simatic_net_pc:14:-:*:*:*:*:*:*",{"vendor":49,"product":50,"version":54,"criteria":55,"vulnerable":4},"15","cpe:2.3:a:siemens:simatic_net_pc:15:-:*:*:*:*:*:*",{"vendor":49,"product":50,"version":57,"criteria":58,"vulnerable":4},"16","cpe:2.3:a:siemens:simatic_net_pc:16:-:*:*:*:*:*:*",{"vendor":49,"product":50,"version":60,"criteria":61,"vulnerable":4},"17","cpe:2.3:a:siemens:simatic_net_pc:17:-:*:*:*:*:*:*",{"vendor":49,"product":63,"version":64,"criteria":65,"vulnerable":4},"sitop_manager","-","cpe:2.3:a:siemens:sitop_manager:-:*:*:*:*:*:*:*",{"vendor":49,"product":67,"version":68,"criteria":69,"vulnerable":4},"telecontrol_server_basic","3.0","cpe:2.3:a:siemens:telecontrol_server_basic:3.0:*:*:*:*:*:*:*",7,[72,78,83],{"url":73,"source":74,"tags":75},"https:\u002F\u002Fcert-portal.siemens.com\u002Fproductcert\u002Fpdf\u002Fssa-285795.pdf","Siemens",[76,77],"Patch","Third Party Advisory",{"url":79,"source":80,"tags":81},"https:\u002F\u002Ffiles.opcfoundation.org\u002FSecurityBulletins\u002FOPC%20Foundation%20Security%20Bulletin%20CVE-2021-45117.pdf","Opcfoundation",[76,82],"Vendor Advisory",{"url":84,"source":85,"tags":86},"https:\u002F\u002Fwww.youtube.com\u002Fwatch?v=qv-RBdCaV4k","Youtube",[87,77],"Exploit",3,[90],{"id":91,"name":92,"description":93,"extendedDescription":94,"status":95,"abstraction":96,"structure":97},"CWE-476","NULL Pointer Dereference","The product dereferences a pointer that it expects to be valid but is NULL.","","Stable","Base","Simple",1,false,[],{"title":102,"metaDescription":103,"keywords":104,"canonicalUrl":105,"structuredData":106},"What is CVE-2021-45117? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-45117, a medium severity cyber security vulnerability from 2022. The OPC autogenerated ANSI C stack stubs (in the NodeSets...","CVE-2021-45117, CVE-2021-45117 vulnerability, CVE-2021-45117 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2022, CVSS score, exploit, patch, remediation, opcfoundation security, siemens security, ua-nodeset vulnerability, simatic_net_pc vulnerability, sitop_manager vulnerability, telecontrol_server_basic vulnerability","\u002Fwhat-is\u002Fcve-2021-45117",{"@context":107,"@type":108,"headline":102,"description":103,"datePublished":9,"dateModified":10,"author":109,"publisher":113,"about":117,"mainEntityOfPage":121,"articleSection":124,"keywords":125},"https:\u002F\u002Fschema.org","TechArticle",{"@type":110,"name":111,"url":112},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":110,"name":111,"url":112,"logo":114},{"@type":115,"url":116},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":118,"name":6,"description":119,"additionalType":120},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":122,"@id":123},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-45117","Cybersecurity","CVE-2021-45117, CVE-2021-45117 vulnerability, CVE-2021-45117 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[127,135],{"Operator":27,"Negate":27,"Nodes":128},[129],{"Operator":130,"Negate":27,"CPEMatch":131},"OR",[132],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":133,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":134,"VersionEndIncluding":27},"14F2AA77-409B-48CA-9BBE-6EC6B5BA9EAF","1.05.01",{"Operator":27,"Negate":27,"Nodes":136},[137],{"Operator":130,"Negate":27,"CPEMatch":138},[139,141,143,145,147,149],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":140,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"298E8F34-346B-4FC5-8690-3F947F585552",{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":142,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"7DF90C44-4AC2-4B2B-8712-30CD3DE96B22",{"Vulnerable":4,"Criteria":58,"MatchCriteriaID":144,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"496E3C43-5DA8-4983-8AC6-0F32454E22F3",{"Vulnerable":4,"Criteria":61,"MatchCriteriaID":146,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"AFBD6DDF-917C-44CC-A944-1945DC7AC9FB",{"Vulnerable":4,"Criteria":65,"MatchCriteriaID":148,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"4F1ABC40-2C91-4EA9-9442-16E5D7C29E52",{"Vulnerable":4,"Criteria":69,"MatchCriteriaID":150,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"975FC6E7-8FDB-4361-A691-44B26B0CBFD4",[],[],{"lastModified":10,"cacheTime":154,"version":33},1792366568740,{"score":156,"band":41,"action":157,"scoredAt":158},48,"Plan remediation","2026-10-16T06:53:52.954008+00:00"]