[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fqWSyiuHvEQRVGQkePJZpHxYMwoOgK64fgEq4ahCTkHo":3,"g5a-risk:CVE-2021-40834":115},{"success":4,"data":5,"meta":113},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":46,"epssPercentile":27,"epssTimeSeries":47,"severity":48,"affectedProducts":49,"affectedProductsCount":55,"references":56,"referencesCount":65,"weaknesses":66,"weaknessesCount":55,"isActivelyExploited":75,"cisaInfo":27,"otxData":27,"relatedBlogPosts":76,"seoMetadata":77,"configurations":102,"relatedVendorCves":111,"notableEvents":112},"CVE-2021-40834","What is CVE-2021-40834?","A user interface overlay vulnerability was discovered in F-secure SAFE Browser for Android. When user click on a specially crafted seemingly legitimate URL SAFE browser goes into full screen and hides the user interface. A remote attacker can leverage this to perform spoofing attack.","A user interface overlay vulnerability was discovered in F-secure SAFE Browser for Android. When user click on a specially crafted seemingly legitimate URL S...","2021-12-10T14:15:10.093","2021-12-14T17:06:24.867",4.3,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:U\u002FC:N\u002FI:L\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":38,"CVSSMetricV40":27},[16,30],{"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":23,"IntegrityImpact":22,"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","MEDIUM",null,2.8,1.4,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":36,"ImpactScore":37},"cve-notifications-us@f-secure.com","Secondary",{"Version":20,"VectorString":34,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":35,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":22,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":22,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:H\u002FUI:R\u002FS:U\u002FC:L\u002FI:L\u002FA:L","HIGH",0.9,3.4,[39],{"Source":17,"Type":18,"CVSSData":40,"BaseSeverity":26,"ExploitabilityScore":44,"ImpactScore":45,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":4},{"Version":41,"VectorString":42,"AccessVector":21,"AccessComplexity":26,"Authentication":23,"ConfidentialityImpact":23,"IntegrityImpact":43,"AvailabilityImpact":23,"BaseScore":12,"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:P\u002FA:N","PARTIAL",8.6,2.9,0.00751,[46,46,46,46,46,46,46],"Medium",[50],{"vendor":51,"product":52,"version":53,"criteria":54,"vulnerable":4},"f-secure","safe","*","cpe:2.3:a:f-secure:safe:*:*:*:*:*:android:*:*",1,[57,62],{"url":58,"source":59,"tags":60},"https:\u002F\u002Fwww.f-secure.com\u002Fen\u002Fbusiness\u002Fprograms\u002Fvulnerability-reward-program\u002Fhall-of-fame","F-secure",[61],"Vendor Advisory",{"url":63,"source":59,"tags":64},"https:\u002F\u002Fwww.f-secure.com\u002Fen\u002Fbusiness\u002Fsupport-and-downloads\u002Fsecurity-advisories\u002Fcve-2021-40834",[61],2,[67],{"id":68,"name":69,"description":70,"extendedDescription":71,"status":72,"abstraction":73,"structure":74},"CWE-1021","Improper Restriction of Rendered UI Layers or Frames","The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with.","A web application is expected to place restrictions on whether it is allowed to be rendered within frames, iframes, objects, embed or applet elements. Without the restrictions, users can be tricked into interacting with the application when they were not intending to.","Incomplete","Base","Simple",false,[],{"title":78,"metaDescription":79,"keywords":80,"canonicalUrl":81,"structuredData":82},"What is CVE-2021-40834? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-40834, a medium severity cyber security vulnerability from 2021. A user interface overlay vulnerability was discovered in ...","CVE-2021-40834, CVE-2021-40834 vulnerability, CVE-2021-40834 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, f-secure security, safe vulnerability","\u002Fwhat-is\u002Fcve-2021-40834",{"@context":83,"@type":84,"headline":78,"description":79,"datePublished":10,"dateModified":11,"author":85,"publisher":89,"about":93,"mainEntityOfPage":97,"articleSection":100,"keywords":101},"https:\u002F\u002Fschema.org","TechArticle",{"@type":86,"name":87,"url":88},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":86,"name":87,"url":88,"logo":90},{"@type":91,"url":92},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":94,"name":6,"description":95,"additionalType":96},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":98,"@id":99},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-40834","Cybersecurity","CVE-2021-40834, CVE-2021-40834 vulnerability, CVE-2021-40834 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[103],{"Operator":27,"Negate":27,"Nodes":104},[105],{"Operator":106,"Negate":27,"CPEMatch":107},"OR",[108],{"Vulnerable":4,"Criteria":54,"MatchCriteriaID":109,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":110},"0ECDAF3F-FF7E-46E1-AB62-8673A1256EA9","17.9",[],[],{"lastModified":11,"cacheTime":114,"version":41},1792254976546,{"score":116,"band":117,"action":118,"scoredAt":119},19,"Info","Track","2026-10-16T06:52:38.513034+00:00"]