CVE-2001-0080
mediumpriority · track · 33EPSS 0.089 · 95 %ileexploit · functionalEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
- EDB-20509Cisco Catalyst 4000/5000/6000 6.1 - SSH Protocol Mismatch Denial of Servicefunctional · exploit_db
affected products (4)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- http://www.cisco.com/warp/public/707/catalyst-ssh-protocolmismatch-pub.shtmlenisa_euvd
- http://www.securityfocus.com/bid/2117enisa_euvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5760enisa_euvd
- http://www.cisco.com/warp/public/707/catalyst-ssh-protocolmismatch-pub.shtmlPatchVendor Advisorynvd
- http://www.securityfocus.com/bid/2117nvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5760nvd
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