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    CVE-2011-3263

    zabbix_agentd in Zabbix before 1.8.6 and 1.9.x before 1.9.4 allows context-dependent attackers to cause a denial of service (CPU consumption) by executing the vfs.file.cksum command for a special device, as demonstrated by the /dev/urandom device.

    Published:Aug 19, 2011
    Last Modified:Apr 11, 2025
    EPS:Aug 19, 2011
    EPSS Score:0.00476
    CVSS Score:5

    Affected Products

    Vendor
    Zabbix
    Product
    Zabbix

    Exploits

    https://support.zabbix.com/browse/ZBX-3794https://support.zabbix.com/browse/ZBX-3794

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-23934 (CVSS 5.1) — An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specific…
    CVE-2026-23933 (CVSS 7.7) — In Zabbix 7.4 the cryptographic key used for signing Frontend sessions has been erroneously written to the dat…
    CVE-2026-23931 (CVSS 5.3) — The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user ma…
    CVE-2026-23930 (CVSS 5.3) — An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specif…
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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