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CVSS: 5.0EPSS: 0%CPEs: 21EXPL: 0

The LAN-to-LAN IPSEC capability for Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.4, allows remote attackers to cause a denial of service via an incoming LAN-to-LAN connection with an existing security association with another device on the remote network, which causes the concentrator to remove the previous connection. • http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml http://www.securityfocus.com/bid/5622 https://exchange.xforce.ibmcloud.com/vulnerabilities/10027 •

CVSS: 5.0EPSS: 0%CPEs: 20EXPL: 0

Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, allows remote attackers to cause a denial of service (crash) via a long (1) username or (2) password to the HTML login interface. • http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml http://www.iss.net/security_center/static/10025.php http://www.securityfocus.com/bid/5617 •

CVSS: 5.0EPSS: 0%CPEs: 20EXPL: 0

Information leaks in Cisco VPN 3000 Concentrator 2.x.x and 3.x.x before 3.5.4 allow remote attackers to obtain potentially sensitive information via the (1) SSH banner, (2) FTP banner, or (3) an incorrect HTTP request. • http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml http://www.iss.net/security_center/static/10020.php http://www.securityfocus.com/bid/5621 http://www.securityfocus.com/bid/5623 http://www.securityfocus.com/bid/5624 •

CVSS: 5.0EPSS: 0%CPEs: 23EXPL: 0

Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denial of service via (1) malformed or (2) large ISAKMP packets. • http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml http://www.kb.cert.org/vuls/id/761651 •

CVSS: 5.0EPSS: 0%CPEs: 23EXPL: 1

Cisco VPN 3000 Concentrator 2.2.x, 3.6(Rel), and 3.x before 3.5.5, allows remote attackers to cause a denial of service via a long user name. • https://www.exploit-db.com/exploits/21770 http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml •