Cisco Catalyst Telnetd Authentication Failure Saturation Memory Leak Remote DoS (CSCds66191)

high Nessus Plugin ID 10978


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


A series of failed telnet authentication attempts to the switch can cause the Catalyst Switch to fail to pass traffic or accept management connections until the system is rebooted or a power cycle is performed. All types of telnet authentication are affected, including Kerberized telnet, and AAA authentication.

This vulnerability is documented as Cisco bug ID CSCds66191.


Plugin Details

Severity: High

ID: 10978

File Name: CSCds66191.nasl

Version: 1.20

Type: local

Family: CISCO

Published: 6/5/2002

Updated: 6/27/2018

Supported Sensors: Nessus

Risk Information


Risk Factor: Medium

Score: 4.2


Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

Vulnerability Information

CPE: cpe:/o:cisco:ios

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

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 12/6/2000

Reference Information

CVE: CVE-2001-0041

BID: 2072

CWE: 399