Valvesoftware

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    Products: 11
    Vulnerabilities: 30
    Known Exploited: 0
    6
    Critical Level Threats
    16
    High Level Threats
    6
    Medium Level Threats
    1
    Low Level Threats

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    Vulnerabilities

    CVE-2017-20205

    Valve Source SDK Stack-Based Buffer Overflow RCE

    Last Modified: Apr 15, 2026
    Published: Oct 15, 2025

    CVE-2023-38312

    A directory traversal vulnerability in Valve Counter-Strike 8684 allows a client (with remote control access to a game server) to read arbitrary files from the underlying server via the motdfile console variable.

    Last Modified: Nov 21, 2024
    Published: Oct 15, 2023

    CVE-2023-35855

    A buffer overflow in Counter-Strike through 8684 allows a game server to execute arbitrary code on a remote client's machine by modifying the lservercfgfile console variable.

    Last Modified: Dec 11, 2024
    Published: Jun 19, 2023

    CVE-2023-30382

    A buffer overflow in the component hl.exe of Valve Half-Life up to 5433873 allows attackers to execute arbitrary code and escalate privileges by supplying crafted parameters.

    Last Modified: Jan 17, 2025
    Published: May 23, 2023

    CVE-2021-30481

    Valve Steam before 2021-04-17, when a Source engine game is installed, allows remote authenticated users to execute arbitrary code because of a buffer overflow that occurs for a Steam invite after one click.

    Last Modified: Nov 03, 2025
    Published: Apr 10, 2021
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