Cisco VPN Concentrator "No Encryption" Option Remote DoS (Bug ID CSCdx39981)

Medium Nessus Network Monitor Plugin ID 2234

Synopsis

The remote host is vulnerable to a Denial of Service (DoS) attack.

Description

The remote VPN concentrator is subject to a VPN client authentication vulnerability that can force a reload of the concentrator when a very large string for the username prompt is sent. This vulnerability is documented as Cisco bug ID CSCdx39981

Solution

http://www.cisco.com/warp/public/707/vpn3k-multiple-vuln-pub.shtml

Plugin Details

Severity: Medium

ID: 2234

Family: SNMP

Published: 2004/09/03

Modified: 2017/01/31

Nessus ID: 11295

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Temporal Score: 4.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSSv3

Base Score: 5.3

Temporal Score: 5.1

Vector: CVSS3#AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS3#E:H/RL:O/RC:C

Reference Information

CVE: CVE-2002-1095

BID: 5625