[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fc8kISoFHt1EnUXNN-r3NM2nPKFpqwotEFBbV3NTQuZE":3,"g5a-risk:CVE-2021-21511":120},{"success":4,"data":5,"meta":118},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":44,"epssPercentile":26,"epssTimeSeries":45,"severity":46,"affectedProducts":47,"affectedProductsCount":60,"references":61,"referencesCount":67,"weaknesses":68,"weaknessesCount":67,"isActivelyExploited":77,"cisaInfo":26,"otxData":26,"relatedBlogPosts":78,"seoMetadata":79,"configurations":104,"relatedVendorCves":116,"notableEvents":117},"CVE-2021-21511","What is CVE-2021-21511?","Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentially exploit this vulnerability, to gain unauthorized read or modification access to other users' backup data.","Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentia...","2021-02-15T22:15:13.897","2022-04-26T15:59:47.877",8.1,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\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":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"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","HIGH",null,2.8,5.2,{"Source":30,"Type":31,"CVSSData":32,"ExploitabilityScore":27,"ImpactScore":28},"security_alert@emc.com","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":25,"IntegrityImpact":25,"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":41,"ExploitabilityScore":42,"ImpactScore":43,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":36,"VectorString":37,"AccessVector":21,"AccessComplexity":22,"Authentication":38,"ConfidentialityImpact":39,"IntegrityImpact":39,"AvailabilityImpact":23,"BaseScore":40,"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:S\u002FC:P\u002FI:P\u002FA:N","SINGLE","PARTIAL",5.5,"MEDIUM",8,4.9,0.01043,[44,44,44,44,44,44,44],"High",[48,53,56],{"vendor":49,"product":50,"version":51,"criteria":52,"vulnerable":4},"dell","emc_avamar_server","19.3","cpe:2.3:a:dell:emc_avamar_server:19.3:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":54,"criteria":55,"vulnerable":4},"19.4","cpe:2.3:a:dell:emc_avamar_server:19.4:*:*:*:*:*:*:*",{"vendor":49,"product":57,"version":58,"criteria":59,"vulnerable":4},"emc_integrated_data_protection_appliance","2.6","cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.6:*:*:*:*:*:*:*",3,[62],{"url":63,"source":64,"tags":65},"https:\u002F\u002Fwww.dell.com\u002Fsupport\u002Fkbdoc\u002Fen-us\u002F000182926\u002Fdsa-2021-033-dell-emc-avamar-server-improper-authorization-vulnerability","Dell",[66],"Vendor Advisory",1,[69],{"id":70,"name":71,"description":72,"extendedDescription":73,"status":74,"abstraction":75,"structure":76},"CWE-285","Improper Authorization","The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.","Assuming a user with a given identity, authorization is the process of determining whether that user can access a given resource, based on the user's privileges and any permissions or other access-control specifications that apply to the resource.\nWhen access control checks are not applied consistently - or not at all - users are able to access data or perform actions that they should not be allowed to perform. This can lead to a wide range of problems, including information exposures, denial of service, and arbitrary code execution.","Draft","Class","Simple",false,[],{"title":80,"metaDescription":81,"keywords":82,"canonicalUrl":83,"structuredData":84},"What is CVE-2021-21511? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-21511, a high severity cyber security vulnerability from 2021. Dell EMC Avamar Server, versions 19.3 and 19.4 contain an I...","CVE-2021-21511, CVE-2021-21511 vulnerability, CVE-2021-21511 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, dell security, emc_avamar_server vulnerability, emc_integrated_data_protection_appliance vulnerability","\u002Fwhat-is\u002Fcve-2021-21511",{"@context":85,"@type":86,"headline":80,"description":81,"datePublished":10,"dateModified":11,"author":87,"publisher":91,"about":95,"mainEntityOfPage":99,"articleSection":102,"keywords":103},"https:\u002F\u002Fschema.org","TechArticle",{"@type":88,"name":89,"url":90},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":88,"name":89,"url":90,"logo":92},{"@type":93,"url":94},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":96,"name":6,"description":97,"additionalType":98},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":100,"@id":101},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-21511","Cybersecurity","CVE-2021-21511, CVE-2021-21511 vulnerability, CVE-2021-21511 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[105],{"Operator":26,"Negate":26,"Nodes":106},[107],{"Operator":108,"Negate":26,"CPEMatch":109},"OR",[110,112,114],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":111,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"C7FEBC8A-A479-4684-A870-19E5046EA3B0",{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":113,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"CC33D28B-F305-47AB-84DE-40A2DCB956AE",{"Vulnerable":4,"Criteria":59,"MatchCriteriaID":115,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":26,"VersionEndIncluding":26},"F5D783F9-E4AD-41A8-B1F9-D52333B00D62",[],[],{"lastModified":11,"cacheTime":119,"version":36},1792366595307,{"score":121,"band":122,"action":123,"scoredAt":124},46,"Medium","Plan remediation","2026-10-16T06:50:31.166744+00:00"]