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    CVE-2021-36798

    A Denial-of-Service (DoS) vulnerability was discovered in Team Server in HelpSystems Cobalt Strike 4.2 and 4.3. It allows remote attackers to crash the C2 server thread and block beacons' communication with it.

    Published:Aug 9, 2021
    Last Modified:Nov 21, 2024
    EPS:Aug 9, 2021
    EPSS Score:0.27683
    CVSS Score:7.5

    Affected Products

    Vendor
    Helpsystems
    Product
    Cobalt Strike

    Exploits

    https://labs.sentinelone.com/hotcobalt-new-cobalt-strike-dos-vulnerability-that-lets-you-halt-operations/https://labs.sentinelone.com/hotcobalt-new-cobalt-strike-dos-vulnerability-that-lets-you-halt-operations/https://github.com/JamVayne/CobaltStrikeDoshttps://github.com/M-Kings/CVE-2021-36798https://github.com/sponkmonk/CobaltSploit

    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