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Vulnerability Details : CVE-2001-0929

Cisco IOS Firewall Feature set, aka Context Based Access Control (CBAC) or Cisco Secure Integrated Software, for IOS 11.2P through 12.2T does not properly check the IP protocol type, which could allow remote attackers to bypass access control lists.
Publish Date : 2001-11-28 Last Update Date : 2017-10-10
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID CWE id is not defined for this vulnerability

- Related OVAL Definitions

Title Definition Id Class Family
Cisco IOS Protocol Check Design Error oval:org.mitre.oval:def:5892 ios
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2001-0929

# Product Type Vendor Product Version Update Edition Language
1 OS Cisco IOS 11.2p * * * Version Details Vulnerabilities
2 OS Cisco IOS 11.3t * * * Version Details Vulnerabilities
3 OS Cisco IOS 12.0t * * * Version Details Vulnerabilities
4 OS Cisco IOS 12.0 * * * Version Details Vulnerabilities
5 OS Cisco IOS 12.1 * * * Version Details Vulnerabilities
6 OS Cisco IOS 12.1e * * * Version Details Vulnerabilities
7 OS Cisco IOS 12.1t * * * Version Details Vulnerabilities
8 OS Cisco IOS 12.2 * * * Version Details Vulnerabilities
9 OS Cisco IOS 12.2t * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Cisco IOS 9

- References For CVE-2001-0929
CERT-VN VU#362483
BID 3588 Cisco Context Based Access Control Protocol Check Bypassing Vulnerability Release Date:2006-07-13
CISCO 20011128 A Vulnerability in IOS Firewall Feature Set
XF ios-cbac-bypass-acl(7614)

- Metasploit Modules Related To CVE-2001-0929

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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