Cisco IOS up to 12.4(4) SNMP Community String improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability classified as critical has been found in Cisco IOS up to 12.4(4) (Router Operating System). Affected is an unknown functionality of the component SNMP. The manipulation with the input value DOCSIS leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

Cisco IOS 12.2 through 12.4 before 20060920, as used by Cisco IAD2430, IAD2431, and IAD2432 Integrated Access Devices, the VG224 Analog Phone Gateway, and the MWR 1900 and 1941 Mobile Wireless Edge Routers, is incorrectly identified as supporting DOCSIS, which allows remote attackers to gain read-write access via a hard-coded cable-docsis community string and read or modify arbitrary SNMP variables.

The bug was discovered 09/20/2006. The weakness was released 09/21/2006 with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2006-4950 since 09/22/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a exploit are known.

It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 17782 (DOCSIS Read-Write Community String Enabled in Non-DOCSIS Platforms), 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.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com. It is possible to mitigate the problem by applying the configuration setting no snmp-server. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4777.

The vulnerability is also documented in the databases at X-Force (29054) and Tenable (17782).

Productinfo

Type

Vendor

Name

Version

License

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: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 17782
Nessus Name: DOCSIS Read-Write Community String Enabled in Non-DOCSIS Platforms
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 802243
OpenVAS Name: Report default community names of the SNMP Agent
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: cisco.com
Config: no snmp-server
TippingPoint: 🔍

Timelineinfo

09/20/2006 🔍
09/20/2006 +0 days 🔍
09/20/2006 +0 days 🔍
09/20/2006 +0 days 🔍
09/21/2006 +1 days 🔍
09/21/2006 +0 days 🔍
09/21/2006 +0 days 🔍
09/21/2006 +0 days 🔍
09/22/2006 +0 days 🔍
09/22/2006 +0 days 🔍
09/23/2006 +1 days 🔍
09/28/2006 +5 days 🔍
01/10/2012 +1930 days 🔍
07/08/2019 +2736 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: http://www.cisco.com
Organization: Cisco
Status: Confirmed

CVE: CVE-2006-4950 (🔍)
OVAL: 🔍

X-Force: 29054 - Cisco IOS default DOCSIS SNMP string, Medium Risk
SecurityTracker: 1016899
Vulnerability Center: 12784 - [cisco-sa-20060920-docsis] Cisco IOS Allows Remote Attackers Read-Write Access, Critical
SecurityFocus: 20125 - Cisco IOS DOCSIS SNMP Community String Unauthorized Access Vulnerability
Secunia: 21974 - Cisco IOS DOCSIS Community String Vulnerability, Moderately Critical
OSVDB: 29034 - Cisco IOS DOCSIS Persistent Default SNMP Community String
Vupen: ADV-2006-3722

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/22/2006 13:35
Updated: 07/08/2019 18:42
Changes: 09/22/2006 13:35 (98), 07/08/2019 18:42 (6)
Complete: 🔍

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