Cisco Nac Guest Server up to 2.0.2 Default Configuration access control

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Cisco Nac Guest Server up to 2.0.2. The impacted element is an unknown function of the component Default Configuration. The manipulation results in access control. This vulnerability is identified as CVE-2011-0963. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco Nac Guest Server up to 2.0.2. It has been classified as critical. Affected is an unknown part of the component Default Configuration. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality. CVE summarizes:

The default configuration of the RADIUS authentication feature on the Cisco Network Access Control (NAC) Guest Server with software before 2.0.3 allows remote attackers to bypass intended access restrictions and obtain network connectivity via unspecified vectors, aka Bug ID CSCtj66922.

The weakness was released 03/31/2011 (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2011-0963. 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 scanner Nessus provides a plugin with the ID 69954 (Cisco Network Admission Control Guest Server System Software Authentication Bypass (cisco-sa-20110330-nac)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Upgrading to version 2.0.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (66470), Tenable (69954), SecurityFocus (BID 47092†), SecurityTracker (ID 1025272†) and Vulnerability Center (SBV-30811†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69954
Nessus Name: Cisco Network Admission Control Guest Server System Software Authentication Bypass (cisco-sa-20110330-nac)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nac Guest Server 2.0.3

Timelineinfo

02/10/2011 🔍
03/30/2011 +48 days 🔍
03/30/2011 +0 days 🔍
03/31/2011 +1 days 🔍
03/31/2011 +0 days 🔍
04/04/2011 +4 days 🔍
09/18/2013 +898 days 🔍
03/20/2015 +548 days 🔍
11/03/2024 +3516 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed

CVE: CVE-2011-0963 (🔍)
GCVE (CVE): GCVE-0-2011-0963
GCVE (VulDB): GCVE-100-56976

IAVM: 🔍

X-Force: 66470
SecurityFocus: 47092 - Cisco Network Access Control (NAC) Guest Server RADIUS Authentication Bypass Vulnerability
SecurityTracker: 1025272
Vulnerability Center: 30811 - [cisco-sa-20110330-nac] Cisco NAC Guest Server before 2.0.3 Remote Access Restrictions Bypass, High

Entryinfo

Created: 03/20/2015 16:16
Updated: 11/03/2024 06:14
Changes: 03/20/2015 16:16 (59), 03/20/2017 09:29 (8), 10/21/2021 14:50 (3), 10/21/2021 14:53 (1), 11/03/2024 06:14 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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