[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f8xLiyECsS0eMDMCk6PdKWH1j1Mzk1OnAq7NH7pjHKao":3,"g5a-risk:CVE-2021-4191":142},{"success":4,"data":5,"meta":140},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":42,"epssPercentile":26,"epssTimeSeries":43,"severity":44,"affectedProducts":45,"affectedProductsCount":50,"references":51,"referencesCount":67,"weaknesses":68,"weaknessesCount":50,"isActivelyExploited":72,"cisaInfo":26,"otxData":26,"relatedBlogPosts":73,"seoMetadata":74,"configurations":99,"relatedVendorCves":124,"notableEvents":125},"CVE-2021-4191","What is CVE-2021-4191?","An issue has been discovered in GitLab CE\u002FEE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.","An issue has been discovered in GitLab CE\u002FEE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted ...","2022-03-28T19:15:08.093","2022-07-12T17:42:04.277",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":33,"CVSSMetricV40":26},[16,29],{"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,{"Source":30,"Type":31,"CVSSData":32,"ExploitabilityScore":27,"ImpactScore":28},"cve@gitlab.com","Secondary",{"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},[34],{"Source":17,"Type":18,"CVSSData":35,"BaseSeverity":25,"ExploitabilityScore":40,"ImpactScore":41,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":36,"VectorString":37,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":38,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":39,"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",5,10,2.9,0.80004,[42,42,42,42,42,42,42],"Medium",[46],{"vendor":47,"product":47,"version":48,"criteria":49,"vulnerable":4},"gitlab","*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",1,[52,57,61],{"url":53,"source":54,"tags":55},"https:\u002F\u002Fgitlab.com\u002Fgitlab-org\u002Fcves\u002F-\u002Fblob\u002Fmaster\u002F2021\u002FCVE-2021-4191.json","Gitlab",[56],"Vendor Advisory",{"url":58,"source":54,"tags":59},"https:\u002F\u002Fgitlab.com\u002Fgitlab-org\u002Fgitlab\u002F-\u002Fissues\u002F343898",[60],"Broken Link",{"url":62,"source":63,"tags":64},"https:\u002F\u002Fhackerone.com\u002Freports\u002F1089609","Hackerone",[65,66],"Permissions Required","Third Party Advisory",3,[69],{"id":70,"name":70,"description":71},"Unknown","NVD-CWE-noinfo",false,[],{"title":75,"metaDescription":76,"keywords":77,"canonicalUrl":78,"structuredData":79},"What is CVE-2021-4191? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-4191, a medium severity cyber security vulnerability from 2022. High exploit probability (80.0%). An issue has been discov...","CVE-2021-4191, CVE-2021-4191 vulnerability, CVE-2021-4191 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, gitlab security, gitlab vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2021-4191",{"@context":80,"@type":81,"headline":75,"description":76,"datePublished":10,"dateModified":11,"author":82,"publisher":86,"about":90,"mainEntityOfPage":94,"articleSection":97,"keywords":98},"https:\u002F\u002Fschema.org","TechArticle",{"@type":83,"name":84,"url":85},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":83,"name":84,"url":85,"logo":87},{"@type":88,"url":89},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":91,"name":6,"description":92,"additionalType":93},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":95,"@id":96},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-4191","Cybersecurity","CVE-2021-4191, CVE-2021-4191 vulnerability, CVE-2021-4191 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[100],{"Operator":26,"Negate":26,"Nodes":101},[102],{"Operator":103,"Negate":26,"CPEMatch":104},"OR",[105,109,112,116,118,122],{"Vulnerable":4,"Criteria":49,"MatchCriteriaID":106,"VersionStartExcluding":26,"VersionStartIncluding":107,"VersionEndExcluding":108,"VersionEndIncluding":26},"E86DDC12-65BD-493C-8682-9FB31C88B266","13.0.0","14.6.5",{"Vulnerable":4,"Criteria":110,"MatchCriteriaID":111,"VersionStartExcluding":26,"VersionStartIncluding":107,"VersionEndExcluding":108,"VersionEndIncluding":26},"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","9D503931-6E2D-4918-A184-82F4238FBD88",{"Vulnerable":4,"Criteria":49,"MatchCriteriaID":113,"VersionStartExcluding":26,"VersionStartIncluding":114,"VersionEndExcluding":115,"VersionEndIncluding":26},"DA9B6C10-6253-4C3F-8897-F0080B23414C","14.7.0","14.7.4",{"Vulnerable":4,"Criteria":110,"MatchCriteriaID":117,"VersionStartExcluding":26,"VersionStartIncluding":114,"VersionEndExcluding":115,"VersionEndIncluding":26},"9218E9A3-C643-4987-BF82-727E0AB868E5",{"Vulnerable":4,"Criteria":49,"MatchCriteriaID":119,"VersionStartExcluding":26,"VersionStartIncluding":120,"VersionEndExcluding":121,"VersionEndIncluding":26},"6AE10377-91D9-4F0F-984C-C36C8942F643","14.8","14.8.2",{"Vulnerable":4,"Criteria":110,"MatchCriteriaID":123,"VersionStartExcluding":26,"VersionStartIncluding":120,"VersionEndExcluding":121,"VersionEndIncluding":26},"66B9F17C-CF83-47DD-8D56-0FE2FE384D86",[],[126,133],{"id":127,"eventType":128,"eventTime":129,"details":130,"label":131,"color":132},"03d23587-6ab7-4764-ba7a-8de7713516e3","LOW_EPSS_DELTA","2025-11-19T04:05:53.950807+00:00","Daily EPSS score decreased by 0.102 on 2023-12-30","EPSS Score Decreased","green",{"id":134,"eventType":135,"eventTime":136,"details":137,"label":138,"color":139},"c8e89484-0bc9-490c-a314-7ee30c02b1f4","HIGH_EPSS_DELTA","2025-11-22T04:05:42.555266+00:00","Daily EPSS score increased by 0.103 on 2023-12-30","EPSS Score Increased","red",{"lastModified":11,"cacheTime":141,"version":36},1792361885284,{"score":143,"band":144,"action":145,"scoredAt":146},81,"High","Emergency patch","2026-10-16T06:53:57.348107+00:00"]