Cisco IOS 12.0 ACL privileges management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Cisco IOS 12.0. This vulnerability affects unknown code of the component ACL Handler. The manipulation results in privileges management. This vulnerability is cataloged as CVE-2001-0866. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco IOS 12.0 (Router Operating System). Affected is an unknown function of the component ACL Handler. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cisco 12000 with IOS 12.0 and lines card based on Engine 2 does not properly handle an outbound ACL when an input ACL is not configured on all the interfaces of a multi port line card, which could allow remote attackers to bypass the intended access controls.

The bug was discovered 11/14/2001. The weakness was shared 11/14/2001 by FIRST with Cisco (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2001-0866. 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 48959 (Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router - Cisco Systems), 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. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (7554), Tenable (48959), SecurityFocus (BID 3537†), OSVDB (1984†) and Vulnerability Center (SBV-3436†). The entries VDB-17720, VDB-17721, VDB-17722 and VDB-17723 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 48959
Nessus Name: Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

11/14/2001 🔍
11/14/2001 +0 days 🔍
11/14/2001 +0 days 🔍
11/14/2001 +0 days 🔍
11/14/2001 +0 days 🔍
12/06/2001 +22 days 🔍
02/21/2003 +442 days 🔍
01/13/2004 +325 days 🔍
09/01/2010 +2423 days 🔍
07/11/2014 +1409 days 🔍
05/19/2019 +1773 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: FIRST
Organization: Cisco
Status: Not defined

CVE: CVE-2001-0866 (🔍)
GCVE (CVE): GCVE-0-2001-0866
GCVE (VulDB): GCVE-100-17724

OVAL: 🔍

X-Force: 7554
SecurityFocus: 3537 - Cisco Outbound Access Control List Bypass Vulnerability
OSVDB: 1984 - Cisco 12000 Series Router Line Card Outbound ACL Failure
Vulnerability Center: 3436 - [cisco-sa-20011114-gsr-acl] Cisco 12000 with IOS 12.0 outbound ACL, High

See also: 🔍

Entryinfo

Created: 07/11/2014 10:50
Updated: 05/19/2019 11:41
Changes: 07/11/2014 10:50 (73), 05/19/2019 11:41 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!