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    CVE-2001-0751

    Cisco switches and routers running CBOS 2.3.8 and earlier use predictable TCP Initial Sequence Numbers (ISN), which allows remote attackers to spoof or hijack TCP connections.

    Published:Oct 18, 2001
    Last Modified:Apr 16, 2026
    EPS:Mar 9, 2002
    EPSS Score:0.10307
    CVSS Score:7.5

    Affected Products

    Vendor
    Cisco
    Product
    Cbos

    Exploits

    https://www.exploit-db.com/exploits/19522

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2007-4430 (CVSS 5) — Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows context-dependent attackers to cause a denial …
    CVE-2002-0886 (CVSS 5) — Cisco DSL CPE devices running CBOS 2.4.4 and earlier allows remote attackers to cause a denial of service (han…
    CVE-2001-0754 (CVSS 5) — Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via a series of large ICMP E…
    CVE-2001-0752 (CVSS 5) — Cisco CBOS 2.3.8 and earlier allows remote attackers to cause a denial of service via an ICMP ECHO REQUEST (pi…
    CVE-2001-0753 (CVSS 7.5) — Cisco CBOS 2.3.8 and earlier stores the passwords for (1) exec and (2) enable in cleartext in the NVRAM and a …
    CVE-2001-1064 (CVSS 5) — Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap allows remote attackers to cause a denial of servi…
    CVE-2001-1065 (CVSS 5) — Web-based configuration utility in Cisco 600 series routers running CBOS 2.0.1 through 2.4.2ap binds itself to…
    CVE-2001-0444 (CVSS 2.1) — Cisco CBOS 2.3.0.053 sends output of the "sh nat" (aka "show nat") command to the terminal of the next user wh…

    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