[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fmFFtY-nyIhKgW8QK00kcd17ZDsaQUoaWPIDjwFDcGQs":3,"g5a-ex:cisco\u002Fcatalyst_4503@*":66,"g5a-family:cisco\u002Fcatalyst_4503":68},{"success":4,"data":5},true,{"product":6,"versions":14,"topVulnerabilitiesByEpss":15,"kevVulnerabilities":43,"seoMetadata":44,"meta":63},{"vendorName":7,"productName":8,"versionCount":9,"totalCves":10,"kevCount":9,"lastCveUpdate":11,"versions":12,"description":13},"cisco","catalyst_4503",0,4,"2015-04-03",[],"Catalyst 4503 by Cisco is a technology product and 4 known security vulnerabilities. Get comprehensive security analysis, vulnerability tracking, and threat intelligence for this product.",[],[16,25,32,38],{"cveId":17,"description":18,"publishedDate":19,"cvssScore":20,"cvssVersion":21,"severity":22,"isKev":23,"epssScore":24},"CVE-2004-0551","Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows remote attackers to cause a denial of service (system crash and reload) by sending invalid packets instead of the final ACK portion of the three-way handshake to the (1) Telnet, (2) HTTP, or (3) SSH services, aka \"TCP-ACK DoS attack.\"","2004-08-06",5,"v2","Medium",false,0.03131,{"cveId":26,"description":27,"publishedDate":28,"cvssScore":29,"cvssVersion":21,"severity":30,"isKev":23,"epssScore":31},"CVE-2005-4258","Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an IP packet with the same source and destination IPs and ports, and with the SYN flag set (aka LanD). NOTE: the provenance of this issue is unknown; the details are obtained solely from the BID.","2005-12-15",7.8,"High",0.0205,{"cveId":33,"description":34,"publishedDate":35,"cvssScore":36,"cvssVersion":21,"severity":22,"isKev":23,"epssScore":37},"CVE-2013-1100","The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.","2013-02-13",5.4,0.01464,{"cveId":39,"description":40,"publishedDate":11,"cvssScore":41,"cvssVersion":21,"severity":22,"isKev":23,"epssScore":42},"CVE-2015-0687","The SNMP implementation in Cisco IOS 15.1(2)SG4 on Catalyst 4500 devices, when single-switch Virtual Switching System (VSS) is configured, allows remote authenticated users to cause a denial of service (device crash) by performing SNMP polling, aka Bug ID CSCuq04574.",6.3,0.00937,[],{"title":45,"metaDescription":46,"keywords":47,"structuredData":48},"Catalyst 4503 by Cisco - Security Vulnerabilities & Analysis | Precursor Intelligence","Comprehensive security analysis for Catalyst 4503 by Cisco with 4 tracked vulnerabilities. Real-time threat intelligence, CVE tracking, and security recommendations.","Catalyst 4503 vulnerabilities, Catalyst 4503 security, Catalyst 4503 CVE, Cisco Catalyst 4503, Catalyst 4503 threat intelligence, Cisco security, product security analysis, cybersecurity threats, vulnerability management, CVE tracking",{"@context":49,"@type":50,"name":51,"description":46,"url":52,"manufacturer":53,"applicationCategory":57,"softwareVersion":58,"mainEntity":59},"https:\u002F\u002Fschema.org","SoftwareApplication","Catalyst 4503","https:\u002F\u002Fprecursorintelligence.com\u002Fvulnerabilities\u002Ftechnologies\u002Fvendors\u002Fcisco\u002Fcatalyst_4503",{"@type":54,"name":55,"url":56},"Organization","Cisco","https:\u002F\u002Fprecursorintelligence.com\u002Fvendors\u002Fcisco","Security Software","Multiple versions",{"@type":60,"name":61,"description":62,"vulnerabilityCount":10,"dateModified":11},"SecurityVulnerability","Catalyst 4503 Security Vulnerabilities","Security vulnerabilities affecting Catalyst 4503 by Cisco",{"totalVersions":9,"totalVulnerabilities":10,"kevVulnerabilities":9,"lastUpdated":11,"generatedAt":64,"apiVersion":65},"2026-10-19T01:59:17.418Z","3.0",{"rows":67,"total":9,"capped":23,"failed":9},[],[]]