Vulnerability Name:

CVE-2001-0427 (CCN-6298)

Assigned:2001-03-28
Published:2001-03-28
Updated:2017-10-10
Summary:Cisco VPN 3000 series concentrators before 2.5.2(F) allow remote attackers to cause a denial of service via a flood of invalid login requests to (1) the SSL service, or (2) the telnet service, which do not properly disconnect the user after several failed login attempts.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:7.1 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-20
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2001-0427

Source: CCN
Type: CIAC Information Bulletin L-068
Cisco VPN3000 Concentrator TELNET Vulnerability

Source: CCN
Type: Cisco Systems Field Notice, March 28, 2001
VPN3000 Concentrator TELNET Vulnerability

Source: CISCO
Type: Patch, Vendor Advisory
20010328 VPN3000 Concentrator TELNET Vulnerability

Source: OSVDB
Type: UNKNOWN
5643

Source: CCN
Type: OSVDB ID: 5643
Cisco VPN Concentrator Invalid Login DoS

Source: XF
Type: UNKNOWN
cisco-vpn-telnet-dos(6298)

Source: XF
Type: UNKNOWN
cisco-vpn-telnet-dos(6298)

Vulnerable Configuration:Configuration 1:
  • cpe:/h:cisco:vpn_3000_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3005_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3015_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3030_concentator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3060_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3080_concentrator:*:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:cisco:vpn_3000_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3005_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3015_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3030_concentator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3060_concentrator:*:*:*:*:*:*:*:*
  • OR cpe:/h:cisco:vpn_3080_concentrator:*:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    cisco vpn 3000 concentrator *
    cisco vpn 3005 concentrator *
    cisco vpn 3015 concentrator *
    cisco vpn 3030 concentator *
    cisco vpn 3060 concentrator *
    cisco vpn 3080 concentrator *
    cisco vpn 3000 concentrator *
    cisco vpn 3005 concentrator *
    cisco vpn 3015 concentrator *
    cisco vpn 3030 concentator *
    cisco vpn 3060 concentrator *
    cisco vpn 3080 concentrator *