CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Cisco VPN Client up to 3.5 (Network Encryption Software). Affected is an unknown functionality of the component Tunnel Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality. CVE summarizes:
Cisco Virtual Private Network (VPN) Client software 2.x.x, and 3.x before 3.6(Rel), when configured with all tunnel mode, can be forced into acknowledging a TCP packet from outside the tunnel.
The bug was discovered 09/05/2002. The weakness was published 10/04/2002 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2002-1108. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.
The vulnerability was handled as a non-public zero-day exploit for at least 29 days. During that time the estimated underground price was around $5k-$25k.
Upgrading to version 3.6(Rel) eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at X-Force (10047). Similar entries are available at 19016, 19017, 19018 and 19019.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
ATT&CK: T1068
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: VPN Client 3.6(Rel)
Timeline
09/05/2002 🔍09/05/2002 🔍
09/05/2002 🔍
10/04/2002 🔍
10/04/2002 🔍
04/25/2006 🔍
07/30/2014 🔍
06/16/2019 🔍
Sources
Vendor: cisco.comAdvisory: cisco.com
Organization: Cisco
Status: Not defined
CVE: CVE-2002-1108 (🔍)
X-Force: 10047 - Cisco VPN Client TCP filter could leak sensitive information
Vulnerability Center: 11231 - [cisco-sa-20020905-vpnclient-vulnerability] Cisco VPN Client w\\ Tunnel Mode Information Leakage, Low
SecurityFocus: 5651 - Cisco VPN Client TCP Filter Information Leakage Vulnerability
OSVDB: 8921 - Cisco - VPN Client Server - Information Leakage by TCP Filter
See also: 🔍
Entry
Created: 07/30/2014 12:49Updated: 06/16/2019 18:53
Changes: 07/30/2014 12:49 (64), 06/16/2019 18:53 (3)
Complete: 🔍
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