Cisco CNS Network Registrar Central Configuration Management input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $5k-$25k | 0.00 |
A vulnerability was found in Cisco CNS Network Registrar Central Configuration Management 7.1. It has been classified as problematic. Affected is some unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on availability. CVE summarizes:
The DHCPv6 server module in Cisco CNS Network Registrar 7.1 allows remote attackers to cause a denial of service (daemon reload) via a malformed DHCPv6 packet, aka Bug ID CSCuo07437.
The weakness was shared 04/19/2014 with Cisco as 33850 as confirmed vulnerability alert (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2014-2155 since 02/25/2014. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/15/2022).
The vulnerability scanner Nessus provides a plugin with the ID 73755 (Cisco Network Registrar 7.1 DHCPv6 DoS (CSCuo07437)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.
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 (92657) and Tenable (73755).
Product
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 |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: Input validationCWE: CWE-20
ATT&CK: Unknown
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: 73755
Nessus Name: Cisco Network Registrar 7.1 DHCPv6 DoS (CSCuo07437)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
02/25/2014 🔍04/17/2014 🔍
04/18/2014 🔍
04/19/2014 🔍
04/19/2014 🔍
04/29/2014 🔍
05/27/2014 🔍
03/25/2015 🔍
03/15/2022 🔍
Sources
Vendor: cisco.comAdvisory: 33850
Organization: Cisco
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-2155 (🔍)
X-Force: 92657
Vulnerability Center: 44664 - Cisco CNS Network Registrar 7.1 Remote DoS via a Malformed DHCPv6 Packet, High
SecurityFocus: 66975 - Cisco Network Registrar DHCP Version 6 Server CVE-2014-2155 Denial of Service Vulnerability
Entry
Created: 03/25/2015 16:45Updated: 03/15/2022 13:30
Changes: 03/25/2015 16:45 (59), 05/29/2017 08:55 (5), 03/15/2022 13:30 (3)
Complete: 🔍
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