[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPtbm_rmRigYhyqnsgbvvvFbtC2bpv_AzxXJYYpYBAfM":3,"g5a-risk:CVE-2021-21354":134},{"success":4,"data":5,"meta":132},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":47,"epssPercentile":27,"epssTimeSeries":48,"severity":49,"affectedProducts":50,"affectedProductsCount":56,"references":57,"referencesCount":84,"weaknesses":85,"weaknessesCount":56,"isActivelyExploited":94,"cisaInfo":27,"otxData":27,"relatedBlogPosts":95,"seoMetadata":96,"configurations":121,"relatedVendorCves":130,"notableEvents":131},"CVE-2021-21354","What is CVE-2021-21354?","Pollbot is open source software which \"frees its human masters from the toilsome task of polling for the state of things during the Firefox release process.\" In Pollbot before version 1.4.4 there is an open redirection vulnerability in the path of \"https:\u002F\u002Fpollbot.services.mozilla.com\u002F\". An attacker can redirect anyone to malicious sites. To Reproduce type in this URL: \"https:\u002F\u002Fpollbot.services.mozilla.com\u002F\u002Fevil.com\u002F\". Affected versions will redirect to that website when you inject a payload like \"\u002F\u002Fevil.com\u002F\". This is fixed in version 1.4.4.","Pollbot is open source software which \"frees its human masters from the toilsome task of polling for the state of things during the Firefox release process.\"...","2021-03-08T19:15:13.333","2021-03-12T15:21:09.807",6.1,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:C\u002FC:L\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":22,"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","CHANGED","MEDIUM",null,2.8,2.7,{"Source":31,"Type":32,"CVSSData":33,"ExploitabilityScore":28,"ImpactScore":37},"security-advisories@github.com","Secondary",{"Version":20,"VectorString":34,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":24,"Scope":25,"ConfidentialityImpact":23,"IntegrityImpact":35,"AvailabilityImpact":23,"BaseScore":36,"BaseSeverity":35,"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},"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:R\u002FS:C\u002FC:N\u002FI:H\u002FA:N","HIGH",7.4,4,[39],{"Source":17,"Type":18,"CVSSData":40,"BaseSeverity":26,"ExploitabilityScore":45,"ImpactScore":46,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":4},{"Version":41,"VectorString":42,"AccessVector":21,"AccessComplexity":26,"Authentication":23,"ConfidentialityImpact":43,"IntegrityImpact":43,"AvailabilityImpact":23,"BaseScore":44,"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","PARTIAL",5.8,8.6,4.9,0.01365,[47,47,47,47,47,47,47],"Medium",[51],{"vendor":52,"product":53,"version":54,"criteria":55,"vulnerable":4},"mozilla","pollbot","*","cpe:2.3:a:mozilla:pollbot:*:*:*:*:*:*:*:*",1,[58,65,69,74,77,80],{"url":59,"source":60,"tags":61},"https:\u002F\u002Fbugzilla.mozilla.org\u002Fshow_bug.cgi?id=1694684","Mozilla",[62,63,64],"Issue Tracking","Permissions Required","Third Party Advisory",{"url":66,"source":67,"tags":68},"https:\u002F\u002Fcheatsheetseries.owasp.org\u002Fcheatsheets\u002FUnvalidated_Redirects_and_Forwards_Cheat_Sheet.html","Owasp",[64],{"url":70,"source":71,"tags":72},"https:\u002F\u002Fgithub.com\u002Fmozilla\u002FPollBot\u002Fcommit\u002F6db74a4fcbff258c7cdf51a6ff0724fc10c485e5","GitHub",[73,64],"Patch",{"url":75,"source":71,"tags":76},"https:\u002F\u002Fgithub.com\u002Fmozilla\u002FPollBot\u002Fpull\u002F333",[73,64],{"url":78,"source":71,"tags":79},"https:\u002F\u002Fgithub.com\u002Fmozilla\u002FPollBot\u002Freleases\u002Ftag\u002Fv1.4.4",[64],{"url":81,"source":71,"tags":82},"https:\u002F\u002Fgithub.com\u002Fmozilla\u002FPollBot\u002Fsecurity\u002Fadvisories\u002FGHSA-jhgx-wmq8-jc24",[83,64],"Exploit",6,[86],{"id":87,"name":88,"description":89,"extendedDescription":90,"status":91,"abstraction":92,"structure":93},"CWE-601","URL Redirection to Untrusted Site ('Open Redirect')","A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.","An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance. Whether this issue poses a vulnerability will be subject to the intended behavior of the application. For example, a search engine might intentionally provide redirects to arbitrary URLs.","Draft","Base","Simple",false,[],{"title":97,"metaDescription":98,"keywords":99,"canonicalUrl":100,"structuredData":101},"What is CVE-2021-21354? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-21354, a medium severity cyber security vulnerability from 2021. Pollbot is open source software which \"frees its human ma...","CVE-2021-21354, CVE-2021-21354 vulnerability, CVE-2021-21354 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, mozilla security, pollbot vulnerability","\u002Fwhat-is\u002Fcve-2021-21354",{"@context":102,"@type":103,"headline":97,"description":98,"datePublished":10,"dateModified":11,"author":104,"publisher":108,"about":112,"mainEntityOfPage":116,"articleSection":119,"keywords":120},"https:\u002F\u002Fschema.org","TechArticle",{"@type":105,"name":106,"url":107},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":105,"name":106,"url":107,"logo":109},{"@type":110,"url":111},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":113,"name":6,"description":114,"additionalType":115},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":117,"@id":118},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-21354","Cybersecurity","CVE-2021-21354, CVE-2021-21354 vulnerability, CVE-2021-21354 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[122],{"Operator":27,"Negate":27,"Nodes":123},[124],{"Operator":125,"Negate":27,"CPEMatch":126},"OR",[127],{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":128,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":129,"VersionEndIncluding":27},"3FF4092D-8B10-4C05-A89F-534FB926E740","1.4.4",[],[],{"lastModified":11,"cacheTime":133,"version":41},1792348119206,{"score":135,"band":49,"action":136,"scoredAt":137},48,"Plan remediation","2026-10-16T06:50:38.819454+00:00"]