Cisco VPN 30xx Concentrator up to 3.6.7 SSH Service denial of service
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability has been found in Cisco VPN 30xx Concentrator up to 3.6.7 (Network Encryption Software) and classified as problematic. This vulnerability affects an unknown code block of the component SSH Service. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:
Cisco VPN 3000 series concentrators and Cisco VPN 3002 Hardware Client 2.x.x through 3.6.7 allows remote attackers to cause a denial of service (reload) via a malformed SSH initialization packet.
The weakness was disclosed 05/27/2003 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2003-0259 since 05/07/2003. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 11594 (Cisco VPN 3000 Series Multiple Vulnerabilities (CSCdea77143, CSCdz15393, CSCdt84906)), 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 l.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (11955) and Tenable (11594). The entries 20451 and 20453 are pretty similar.
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: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Denial of serviceCWE: CWE-404
ATT&CK: T1499
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 |
Nessus ID: 11594
Nessus Name: Cisco VPN 3000 Series Multiple Vulnerabilities (CSCdea77143, CSCdz15393, CSCdt84906)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
05/07/2003 🔍05/07/2003 🔍
05/07/2003 🔍
05/07/2003 🔍
05/27/2003 🔍
05/27/2003 🔍
03/08/2004 🔍
08/11/2014 🔍
05/20/2019 🔍
Sources
Vendor: cisco.comAdvisory: kb.cert.org
Status: Confirmed
CVE: CVE-2003-0259 (🔍)
X-Force: 11955 - Cisco VPN 3000 series concentrators malformed SSH packet denial of service
Vulnerability Center: 3932 - [cisco-sa-20030507-vpn3k] Cisco VPN 3000 Series Concentrators and Cisco VPN 3002 Hardware Client DoS, Medium
SecurityFocus: 7522 - Cisco VPN Concentrator Malformed SSH Initialization Packet Denial Of Service Vulnerability
See also: 🔍
Entry
Created: 08/12/2014 00:36Updated: 05/20/2019 12:47
Changes: 08/12/2014 00:36 (67), 05/20/2019 12:47 (2)
Complete: 🔍
No comments yet. Languages: en.
Please log in to comment.