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CVSS: 5.0EPSS: 0%CPEs: 44EXPL: 1

Cisco VPN 3000 Concentrator before 4.1.7.F allows remote attackers to determine valid groupnames by sending an IKE Aggressive Mode packet with the groupname in the ID field, which generates a response if the groupname is valid, but does not generate a response for an invalid groupname. • http://www.nta-monitor.com/news/vpn-flaws/cisco/VPN-Concentrator/index.htm http://www.securityfocus.com/bid/13992 http://www.vupen.com/english/advisories/2005/0822 •

CVSS: 5.0EPSS: 0%CPEs: 45EXPL: 0

Cisco VPN 3000 series Concentrator running firmware 4.1.7.A and earlier allows remote attackers to cause a denial of service (device reload or drop user connection) via a crafted HTTPS packet. • http://secunia.com/advisories/14784 http://www.cisco.com/warp/public/707/cisco-sa-20050330-vpn3k.shtml http://www.securityfocus.com/bid/12948 https://exchange.xforce.ibmcloud.com/vulnerabilities/19903 •

CVSS: 7.5EPSS: 0%CPEs: 23EXPL: 0

Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 3.5.x through 4.0.REL, when enabling IPSec over TCP for a port on the concentrator, allow remote attackers to reach the private network without authentication. Concentradores de Cisco de la serie VPN 3000 y Cisco VPN 3002 Hardware Client 2.x.x hasta 4.0.REL, cuando se configuran para permitir IPSec sobre TCP para un puerto del concentrador, permiten que atacantes remotos alcancen la red privada sin autentificación. • http://www.cisco.com/warp/public/707/cisco-sa-20030507-vpn3k.shtml http://www.kb.cert.org/vuls/id/727780 https://exchange.xforce.ibmcloud.com/vulnerabilities/11954 •