Cisco IOS 10.3 Access Filter privileges management

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CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability was found in Cisco IOS 10.3 (Router Operating System). It has been classified as critical. Affected is an unknown code block of the component Access Filter Handler. The manipulation with the input value tacacs-ds/tacac leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-269. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 07/31/1995. The weakness was shared 07/31/1995 with Cisco (Website). The advisory is shared for download at osvdb.org. This vulnerability is traded as CVE-1999-0161. 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 known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 10974 (Cisco IOS tacacs Keyword ACL Bypass (CSCdi36962)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and relying on port 161.

Upgrading to version 10.3(4.3) eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 703), X-Force (1247), Vulnerability Center (SBV-2060) and Tenable (10974).

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CPE 2.3infoedit

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VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10974
Nessus Name: Cisco IOS tacacs Keyword ACL Bypass (CSCdi36962)
Nessus File: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: IOS 10.3(4.3)

Timelineinfoedit

07/31/1995 🔍
07/31/1995 +0 days 🔍
07/31/1995 +0 days 🔍
07/31/1995 +0 days 🔍
07/31/1995 +0 days 🔍
07/31/1995 +0 days 🔍
06/05/2002 +2501 days 🔍
09/12/2002 +99 days 🔍
09/09/2003 +361 days 🔍
04/02/2014 +3858 days 🔍
06/17/2014 +76 days 🔍
01/14/2018 +1307 days 🔍

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: osvdb.org
Organization: Cisco
Status: Not defined

CVE: CVE-1999-0161 (🔍)
OVAL: 🔍

SecurityFocus: 703 - Cisco IOS tacacs Access List Keyword Vulnerability
X-Force: 1247
Vulnerability Center: 2060 - Cisco IOS \x27tacacs-ds\x27 or \x27tacacs\x27 Keywords Allow Filtering Bypass, High
OSVDB: 797 - Cisco IOS tacacs Keyword ACL Bypass

Entryinfoedit

Created: 06/17/2014 04:32 PM
Updated: 01/14/2018 10:32 AM
Changes: (12) vulnerability_discoverydate vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai advisory_company_name source_osvdb_create source_securityfocus source_securityfocus_date source_securityfocus_class
Complete: 🔍

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