[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fUZOnyWCFECuKEyTVbqNXgQLMedK-pAGjNbxBsbD5_ak":3,"g5a-ex:cisco\u002Fm390@*":47,"g5a-family:cisco\u002Fm390":49},{"success":4,"data":5},true,{"product":6,"versions":14,"topVulnerabilitiesByEpss":15,"kevVulnerabilities":24,"seoMetadata":25,"meta":44},{"vendorName":7,"productName":8,"versionCount":9,"totalCves":10,"kevCount":9,"lastCveUpdate":11,"versions":12,"description":13},"cisco","m390",0,1,"2021-11-04",[],"M390 by Cisco is a technology product and 1 known security vulnerability. Get comprehensive security analysis, vulnerability tracking, and threat intelligence for this product.",[],[16],{"cveId":17,"description":18,"publishedDate":11,"cvssScore":19,"cvssVersion":20,"severity":21,"isKev":22,"epssScore":23},"CVE-2021-34741","A vulnerability in the email scanning algorithm of Cisco AsyncOS software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to perform a denial of service (DoS) attack against an affected device. This vulnerability is due to insufficient input validation of incoming emails. An attacker could exploit this vulnerability by sending a crafted email through Cisco ESA. A successful exploit could allow the attacker to exhaust all the available CPU resources on an affected device for an extended period of time, preventing other emails from being processed and resulting in a DoS condition.",7.5,"v3.1","High",false,0.01289,[],{"title":26,"metaDescription":27,"keywords":28,"structuredData":29},"M390 by Cisco - Security Vulnerabilities & Analysis | Precursor Intelligence","Comprehensive security analysis for M390 by Cisco with 1 tracked vulnerability. Real-time threat intelligence, CVE tracking, and security recommendations.","M390 vulnerabilities, M390 security, M390 CVE, Cisco M390, M390 threat intelligence, Cisco security, product security analysis, cybersecurity threats, vulnerability management, CVE tracking",{"@context":30,"@type":31,"name":32,"description":27,"url":33,"manufacturer":34,"applicationCategory":38,"softwareVersion":39,"mainEntity":40},"https:\u002F\u002Fschema.org","SoftwareApplication","M390","https:\u002F\u002Fprecursorintelligence.com\u002Fvulnerabilities\u002Ftechnologies\u002Fvendors\u002Fcisco\u002Fm390",{"@type":35,"name":36,"url":37},"Organization","Cisco","https:\u002F\u002Fprecursorintelligence.com\u002Fvendors\u002Fcisco","Security Software","Multiple versions",{"@type":41,"name":42,"description":43,"vulnerabilityCount":10,"dateModified":11},"SecurityVulnerability","M390 Security Vulnerabilities","Security vulnerabilities affecting M390 by Cisco",{"totalVersions":9,"totalVulnerabilities":10,"kevVulnerabilities":9,"lastUpdated":11,"generatedAt":45,"apiVersion":46},"2026-10-19T04:16:09.870Z","3.0",{"rows":48,"total":9,"capped":22,"failed":9},[],[]]