7.5
HIGH CVSS 2.0
CVE-2001-0864
Cisco 12000 IOS Engine 2 ACL Deny Bypass Vulnerability
Description

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.

INFO

Published Date :

Dec. 6, 2001, 5 a.m.

Last Modified :

April 3, 2025, 1:03 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2001-0864 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco 12000_router
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Solution
A vulnerability in the Cisco 12000 router allows for ACL bypass.
  • Apply the patch provided by the vendor.
  • Consult the vendor advisory for specific instructions.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2001-0864 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2001-0864 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2001-0864 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2001-0864 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 20, 2024

    Action Type Old Value New Value
    Added Reference http://www.ciac.org/ciac/bulletins/m-018.shtml
    Added Reference http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml
    Added Reference http://www.osvdb.org/1986
    Added Reference http://www.securityfocus.com/bid/3536
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/7553
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 10, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/static/7553.php [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/7553 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 01, 2004

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.60 }} -0.07%

score

0.66993

percentile