Cisco VPN 3000 Concentrator up to 3.5.2 XML Filter privileges management

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7.0	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in Cisco VPN 3000 Concentrator up to 3.5.2 (Network Encryption Software). Affected by this issue is an unknown code block of the component XML Filter. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Cisco VPN 3000 Concentrator 2.2.x, and 3.x before 3.5.3, adds an "HTTPS on Public Inbound (XML-Auto)(forward/in)" rule but sets the protocol to "ANY" when the XML filter configuration is enabled, which ultimately allows arbitrary traffic to pass through the concentrator.

The weakness was published 10/04/2002 with Cisco (Website). The advisory is available at cisco.com. This vulnerability is handled as CVE-2002-1098. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 11293 (Cisco VPN 3000 Concentrator Multiple Vulnerabilities (CSCdx07754, CSCdx24622, CSCdx24632)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context r.

Upgrading to version 3.5.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (10023) and Tenable (11293). Similar entries are available at 19004, 19005, 19006 and 19007.

Productinfo

Type

Network Encryption Software

Vendor

Cisco

Name

VPN 3000 Concentrator

Version

License

commercial

Support

end of life (old version)

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 11293
Nessus Name: Cisco VPN 3000 Concentrator Multiple Vulnerabilities (CSCdx07754, CSCdx24622, CSCdx24632)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: VPN 3000 Concentrator 3.5.3

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-2002-1098 (🔍)
X-Force: 10023 - Cisco VPN 3000 series concentrators with the XML filter enabled could allow unauthorized access
Vulnerability Center: 2806 - [cisco-sa-20020903-vpn3k-vulnerability] Cisco VPN Concentrator Embedded Web Server Vulnerability, Medium
SecurityFocus: 5614 - Cisco VPN 3000 Series Concentrator XML Filter Misconfigured Access Vulnerability

See also: 🔍

Entryinfo

Created: 07/29/2014 18:02
Updated: 05/16/2019 16:38
Changes: 07/29/2014 18:02 (66), 05/16/2019 16:38 (4)
Complete: 🔍