[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgKOg0yvTzBL1SzFDRfeqvN2dLuwuDwHWSKYpE9L_gRk":3,"g5a-risk:CVE-2021-4115":193},{"success":4,"data":5,"meta":191},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":39,"epssPercentile":27,"epssTimeSeries":40,"severity":41,"affectedProducts":42,"affectedProductsCount":79,"references":80,"referencesCount":109,"weaknesses":110,"weaknessesCount":119,"isActivelyExploited":120,"cisaInfo":27,"otxData":27,"relatedBlogPosts":121,"seoMetadata":122,"configurations":147,"relatedVendorCves":189,"notableEvents":190},"CVE-2021-4115","What is CVE-2021-4115?","There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned","There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from t...","2022-02-21T22:15:07.743","2023-11-07T03:40:12.32",5.5,"CVSS:3.1\u002FAV:L\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":30,"CVSSMetricV40":27},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":25,"BaseScore":12,"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","LOCAL","LOW","NONE","UNCHANGED","HIGH","MEDIUM",null,1.8,3.6,[31],{"Source":17,"Type":18,"CVSSData":32,"BaseSeverity":22,"ExploitabilityScore":37,"ImpactScore":38,"ACInsufInfo":27,"ObtainAllPrivilege":27,"ObtainUserPrivilege":27,"ObtainOtherPrivilege":27,"UserInteractionRequired":27},{"Version":33,"VectorString":34,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":23,"IntegrityImpact":23,"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:L\u002FAC:L\u002FAu:N\u002FC:N\u002FI:N\u002FA:P","PARTIAL",2.1,3.9,2.9,0.00525,[39,39,39,39,39,39,39],"Medium",[43,48,53,58,61,66,69,74],{"vendor":44,"product":45,"version":46,"criteria":47,"vulnerable":4},"polkit_project","polkit","0.117","cpe:2.3:a:polkit_project:polkit:0.117:*:*:*:*:*:*:*",{"vendor":49,"product":50,"version":51,"criteria":52,"vulnerable":4},"redhat","enterprise_linux","8.0","cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",{"vendor":54,"product":55,"version":56,"criteria":57,"vulnerable":4},"fedoraproject","fedora","34","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",{"vendor":54,"product":55,"version":59,"criteria":60,"vulnerable":4},"35","cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",{"vendor":62,"product":63,"version":64,"criteria":65,"vulnerable":4},"canonical","ubuntu_linux","20.04","cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",{"vendor":62,"product":63,"version":67,"criteria":68,"vulnerable":4},"21.10","cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*",{"vendor":70,"product":71,"version":72,"criteria":73,"vulnerable":4},"debian","debian_linux","11.0","cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",{"vendor":75,"product":76,"version":77,"criteria":78,"vulnerable":4},"oracle","zfs_storage_appliance_kit","8.8","cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*",8,[81,85,90,95,101,105],{"url":82,"source":83,"tags":84},"http:\u002F\u002Fpacketstormsecurity.com\u002Ffiles\u002F172849\u002Fpolkit-File-Descriptor-Exhaustion.html","Packetstormsecurity",[],{"url":86,"source":87,"tags":88},"https:\u002F\u002Faccess.redhat.com\u002Fsecurity\u002Fcve\u002Fcve-2021-4115","Red Hat",[89],"Third Party Advisory",{"url":91,"source":92,"tags":93},"https:\u002F\u002Fgitlab.com\u002Fredhat\u002Fcentos-stream\u002Frpms\u002Fpolkit\u002F-\u002Fmerge_requests\u002F6\u002Fdiffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e","Gitlab",[94,89],"Patch",{"url":96,"source":97,"tags":98},"https:\u002F\u002Fgitlab.freedesktop.org\u002Fpolkit\u002Fpolkit\u002F-\u002Fissues\u002F141","Freedesktop",[99,100,94,89],"Exploit","Issue Tracking",{"url":102,"source":103,"tags":104},"https:\u002F\u002Flists.fedoraproject.org\u002Farchives\u002Flist\u002Fpackage-announce%40lists.fedoraproject.org\u002Fmessage\u002FVGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF\u002F","Fedoraproject",[],{"url":106,"source":107,"tags":108},"https:\u002F\u002Fwww.oracle.com\u002Fsecurity-alerts\u002Fcpujul2022.html","Oracle",[94,89],6,[111],{"id":112,"name":113,"description":114,"extendedDescription":115,"status":116,"abstraction":117,"structure":118},"CWE-400","Uncontrolled Resource Consumption","The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.","Limited resources include memory, file system storage, database connection pool entries, and CPU. If an attacker can trigger the allocation of these limited resources, but the number or size of the resources is not controlled, then the attacker could cause a denial of service that consumes all available resources. This would prevent valid users from accessing the product, and it could potentially have an impact on the surrounding environment. For example, a memory exhaustion attack against an application could slow down the application as well as its host operating system.\nThere are at least three distinct scenarios which can commonly lead to resource exhaustion:\nResource exhaustion problems are often result due to an incorrect implementation of the following situations:","Draft","Class","Simple",1,false,[],{"title":123,"metaDescription":124,"keywords":125,"canonicalUrl":126,"structuredData":127},"What is CVE-2021-4115? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-4115, a medium severity cyber security vulnerability from 2022. There is a flaw in polkit which can allow an unprivileged ...","CVE-2021-4115, CVE-2021-4115 vulnerability, CVE-2021-4115 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, polkit_project security, redhat security, fedoraproject security, canonical security, debian security, oracle security, polkit vulnerability, enterprise_linux vulnerability","\u002Fwhat-is\u002Fcve-2021-4115",{"@context":128,"@type":129,"headline":123,"description":124,"datePublished":10,"dateModified":11,"author":130,"publisher":134,"about":138,"mainEntityOfPage":142,"articleSection":145,"keywords":146},"https:\u002F\u002Fschema.org","TechArticle",{"@type":131,"name":132,"url":133},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":131,"name":132,"url":133,"logo":135},{"@type":136,"url":137},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":139,"name":6,"description":140,"additionalType":141},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":143,"@id":144},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-4115","Cybersecurity","CVE-2021-4115, CVE-2021-4115 vulnerability, CVE-2021-4115 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[148,155,161,169,177,183],{"Operator":27,"Negate":27,"Nodes":149},[150],{"Operator":151,"Negate":27,"CPEMatch":152},"OR",[153],{"Vulnerable":4,"Criteria":47,"MatchCriteriaID":154,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"54D39B43-A973-42A3-BD6E-F5613BBB9421",{"Operator":27,"Negate":27,"Nodes":156},[157],{"Operator":151,"Negate":27,"CPEMatch":158},[159],{"Vulnerable":4,"Criteria":52,"MatchCriteriaID":160,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"F4CFF558-3C47-480D-A2F0-BABF26042943",{"Operator":27,"Negate":27,"Nodes":162},[163],{"Operator":151,"Negate":27,"CPEMatch":164},[165,167],{"Vulnerable":4,"Criteria":57,"MatchCriteriaID":166,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"A930E247-0B43-43CB-98FF-6CE7B8189835",{"Vulnerable":4,"Criteria":60,"MatchCriteriaID":168,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"80E516C0-98A4-4ADE-B69F-66A772E2BAAA",{"Operator":27,"Negate":27,"Nodes":170},[171],{"Operator":151,"Negate":27,"CPEMatch":172},[173,175],{"Vulnerable":4,"Criteria":65,"MatchCriteriaID":174,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"902B8056-9E37-443B-8905-8AA93E2447FB",{"Vulnerable":4,"Criteria":68,"MatchCriteriaID":176,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"AAE4D2D0-CEEB-416F-8BC5-A7987DF56190",{"Operator":27,"Negate":27,"Nodes":178},[179],{"Operator":151,"Negate":27,"CPEMatch":180},[181],{"Vulnerable":4,"Criteria":73,"MatchCriteriaID":182,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"FA6FEEC2-9F11-4643-8827-749718254FED",{"Operator":27,"Negate":27,"Nodes":184},[185],{"Operator":151,"Negate":27,"CPEMatch":186},[187],{"Vulnerable":4,"Criteria":78,"MatchCriteriaID":188,"VersionStartExcluding":27,"VersionStartIncluding":27,"VersionEndExcluding":27,"VersionEndIncluding":27},"D3E503FB-6279-4D4A-91D8-E237ECF9D2B0",[],[],{"lastModified":11,"cacheTime":192,"version":33},1792269310797,{"score":194,"band":41,"action":195,"scoredAt":196},43,"Plan remediation","2026-10-16T06:53:39.753497+00:00"]