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This vulnerability is due to insufficient buffer allocation. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to exhaust available resources and cause a DoS condition on an affected AP, as well as a DoS condition for client traffic traversing the AP.","A vulnerability in the packet processing functionality of Cisco Embedded Wireless Controller (EWC) Software for Catalyst Access Points (APs) could allow an u...","2021-09-23T03:15:12.47","2023-11-07T03:28:47.423",8.6,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:C\u002FC:N\u002FI:N\u002FA:H",{"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":23,"IntegrityImpact":23,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":25,"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","CHANGED","HIGH",null,3.9,4,{"Source":30,"Type":31,"CVSSData":32,"ExploitabilityScore":27,"ImpactScore":28},"d1c1063e-7a18-46af-9102-31f8928bc633","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":25,"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":40,"ExploitabilityScore":41,"ImpactScore":42,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":36,"VectorString":37,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":38,"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:N\u002FI:N\u002FA:P","PARTIAL",5,"MEDIUM",10,2.9,0.01328,[43,43,43,43,43,43,43],"High",[47,52,56,59,62,65,68],{"vendor":48,"product":49,"version":50,"criteria":51,"vulnerable":4},"cisco","embedded_wireless_controller","*","cpe:2.3:a:cisco:embedded_wireless_controller:*:*:*:*:*:*:*:*",{"vendor":48,"product":53,"version":54,"criteria":55,"vulnerable":4},"catalyst_9105","-","cpe:2.3:h:cisco:catalyst_9105:-:*:*:*:*:*:*:*",{"vendor":48,"product":57,"version":54,"criteria":58,"vulnerable":4},"catalyst_9115","cpe:2.3:h:cisco:catalyst_9115:-:*:*:*:*:*:*:*",{"vendor":48,"product":60,"version":54,"criteria":61,"vulnerable":4},"catalyst_9117","cpe:2.3:h:cisco:catalyst_9117:-:*:*:*:*:*:*:*",{"vendor":48,"product":63,"version":54,"criteria":64,"vulnerable":4},"catalyst_9120","cpe:2.3:h:cisco:catalyst_9120:-:*:*:*:*:*:*:*",{"vendor":48,"product":66,"version":54,"criteria":67,"vulnerable":4},"catalyst_9124","cpe:2.3:h:cisco:catalyst_9124:-:*:*:*:*:*:*:*",{"vendor":48,"product":69,"version":54,"criteria":70,"vulnerable":4},"catalyst_9130","cpe:2.3:h:cisco:catalyst_9130:-:*:*:*:*:*:*:*",7,[73],{"url":74,"source":75,"tags":76},"https:\u002F\u002Ftools.cisco.com\u002Fsecurity\u002Fcenter\u002Fcontent\u002FCiscoSecurityAdvisory\u002Fcisco-sa-iosxe-ewc-dos-g6JruHRT","Cisco",[77,78],"Patch","Vendor Advisory",1,[81],{"id":82,"name":83,"description":84,"extendedDescription":85,"status":86,"abstraction":87,"structure":88},"CWE-410","Insufficient Resource Pool","The product's resource pool is not large enough to handle peak demand, which allows an attacker to prevent others from accessing the resource by using a (relatively) large number of requests for resources.","Frequently the consequence is a \"flood\" of connection or sessions.","Incomplete","Base","Simple",false,[],{"title":92,"metaDescription":93,"keywords":94,"canonicalUrl":95,"structuredData":96},"What is CVE-2021-1615? 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