Cisco IOS Firewall CBAC ACL Bypass (CSCdv48261)

high Nessus Plugin ID 10985


The remote device is missing a vendor-supplied security patch.


The IOS Firewall Feature set, also known as Cisco Secure Integrated Software, also known as Context Based Access Control (CBAC), and introduced in IOS version 11.2P, has a vulnerability that permits traffic normally expected to be denied by the dynamic access control lists.

An attacker may use this flaw to break into your network even though it was explicitly denied.

This vulnerability is documented as Cisco Bug ID CSCdv48261.


Reference :

Plugin Details

Severity: High

ID: 10985

File Name: CSCdv48261.nasl

Version: 1.20

Type: local

Family: CISCO

Published: 6/5/2002

Updated: 8/9/2018

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 5.3


Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: cpe:/o:cisco:ios

Required KB Items: SNMP/sysDesc, SNMP/community, CISCO/model

Vulnerability Publication Date: 11/28/2001

Reference Information

CVE: CVE-2001-0929