CVE-2001-0080

Exp

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.

Published: 2001-02-12 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0080 is rated High Exploit Risk (63.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.95%, 95th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2001-0080

EDB-ID Source Kind Published Link
20509 exploit_db edb 2000-12-13 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0080

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 13.38% 8.95% -4.44%
2 2025-03-30 16.97% 13.38% -3.58%
3 2025-03-29 — 16.97% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0080

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-0080

Affected software / configurations for CVE-2001-0080

Vendor Product Version Raw CPE
cisco catalyst_4000 — cpe:2.3:h:cisco:catalyst_4000:*:*:*:*:*:*:*:*
cisco catalyst_5000 — cpe:2.3:h:cisco:catalyst_5000:*:*:*:*:*:*:*:*
cisco catalyst_6000 — cpe:2.3:h:cisco:catalyst_6000:*:*:*:*:*:*:*:*

References for CVE-2001-0080

cvelogic Threat Intelligence