CVE-2001-0080 json
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…
published 2001-02-12 25 y ago modified 2026-06-16 4 mo ago also EUVD-2001-0080
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 8.9%
- EPSS 8.9% chance of exploitation in 30 days, percentile 95%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
Timeline
- First public exploit (EDB-20509)
- Published
Exploit prediction
8.95% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-20509 Cisco Catalyst 4000/5000/6000 6.1 - SSH Protocol Mismatch Denial of Service dos, 2000-12-13
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
cisco.com
/warp/public/707/catalyst-ssh-protocolmismatch-pub.shtml
vendor-advisory, patch
-
exchange.xforce.ibmcloud.com
/vulnerabilities/5760
vdb-entry
-
securityfocus.com
/bid/2117
vdb-entry
Sources
- CVE List CVE-2001-0080
- NVD CVE-2001-0080
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