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    CVE-2001-0080

    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:Feb 12, 2001
    Last Modified:Apr 16, 2026
    EPS:May 7, 2001
    EPSS Score:0.13383
    CVSS Score:5

    Affected Products

    Vendor
    Cisco
    Product
    Catalyst 4000
    Vendor
    Cisco
    Product
    Catalyst 5000
    Vendor
    Cisco
    Product
    Catalyst 6000

    Exploits

    https://www.exploit-db.com/exploits/20509

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2013-1100 (CVSS 5.4) — The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows rem…
    CVE-2005-4258 (CVSS 7.8) — Unspecified Cisco Catalyst Switches allow remote attackers to cause a denial of service (device crash) via an …
    CVE-2004-0551 (CVSS 5) — Cisco CatOS 5.x before 5.5(20) through 8.x before 8.2(2) and 8.3(2)GLX, as used in Catalyst switches, allows r…
    CVE-2001-0895 (CVSS 5) — Multiple Cisco networking products allow remote attackers to cause a denial of service on the local network vi…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High