Cisco VPN 3002 Hardware Client up to 2.5.2 PPTP denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cisco VPN 3002 Hardware Client up to 2.5.2. Affected is an unknown function of the component PPTP Handler. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2002-1095. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco VPN 3002 Hardware Client up to 2.5.2 (Network Encryption Software). It has been rated as problematic. This issue affects some unknown functionality of the component PPTP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Cisco VPN 3000 Concentrator before 2.5.2(F), with encryption enabled, allows remote attackers to cause a denial of service (reload) via a Windows-based PPTP client with the "No Encryption" option set.

The weakness was disclosed 10/04/2002 with Cisco (Website). It is possible to read the advisory at cisco.com. The identification of this vulnerability is CVE-2002-1095. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 11295 (Cisco VPN 3000 Concentrator PPTP No Encryption Option Remote DoS (CSCdx39981)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO, running in the context l and relying on port 161.

Upgrading to version 2.5.2(F) eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (10021), Tenable (11295), SecurityFocus (BID 5625†) and Vulnerability Center (SBV-2803†). The entries VDB-19004, VDB-19005, VDB-19006 and VDB-19008 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 11295
Nessus Name: Cisco VPN 3000 Concentrator PPTP No Encryption Option Remote DoS (CSCdx39981)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VPN 3002 Hardware Client 2.5.2(F)

Timelineinfo

09/03/2002 🔍
09/03/2002 +0 days 🔍
10/04/2002 +31 days 🔍
10/04/2002 +0 days 🔍
03/01/2003 +148 days 🔍
10/19/2003 +232 days 🔍
07/29/2014 +3936 days 🔍
05/16/2019 +1752 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: Cisco
Status: Not defined

CVE: CVE-2002-1095 (🔍)
GCVE (CVE): GCVE-0-2002-1095
GCVE (VulDB): GCVE-100-19007
X-Force: 10021 - Cisco VPN 3000 series concentrators Windows PPTP client denial of service
SecurityFocus: 5625 - Cisco VPN Concentrator PPTP Client Remote Denial Of Service Vulnerability
Vulnerability Center: 2803 - [cisco-sa-20020903-vpn3k-vulnerability] Cisco VPN 3000 DoS Concentrator via Unencrypted PPTP Client, High

See also: 🔍

Entryinfo

Created: 07/29/2014 18:01
Updated: 05/16/2019 16:36
Changes: 07/29/2014 18:01 (67), 05/16/2019 16:36 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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