CVE-2001-0080

high

Description

Cisco Catalyst 6000, 5000, or 4000 switches allow remote attackers to cause a denial of service by connecting to the SSH service with a non-SSH client, which generates a protocol mismatch error.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/5760

http://www.securityfocus.com/bid/2117

http://www.cisco.com/warp/public/707/catalyst-ssh-protocolmismatch-pub.shtml

Details

Source: Mitre, NVD

Published: 2001-02-12

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5

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

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.13383