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    CVE-2021-1353

    A vulnerability in the IPv4 protocol handling of Cisco StarOS could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a memory leak that occurs during packet processing. An attacker could exploit this vulnerability by sending a series of crafted IPv4 packets through an affected device. A successful exploit could allow the attacker to exhaust the available memory and cause an unexpected restart of the npusim process, leading to a DoS condition on the affected device.

    Published:Jan 20, 2021
    Last Modified:Nov 21, 2024
    EPS:Jan 20, 2021
    EPSS Score:0.00521
    CVSS Score:5.8

    Affected Products

    Vendor
    Cisco
    Product
    Asr 5000
    Vendor
    Cisco
    Product
    Asr 5500
    Vendor
    Cisco
    Product
    Asr 5700
    Vendor
    Cisco
    Product
    Staros
    Vendor
    Cisco
    Product
    Virtualized Packet Core-single Instance

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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