CVE-2018-0158

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    CVE-2018-0158

    Published: 28 Mar 2018Last Modified: 10 Mar 2026

    Summary:

    Details: A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device to be processed. A successful exploit could cause an affected device to continuously consume memory and eventually reload, resulting in a DoS condition. Cisco Bug IDs: CSCvf22394.

    References: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0158, , http://www.securitytracker.com/id/1040595, https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03, https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike, http://www.securityfocus.com/bid/103566

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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