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    CVE-2021-21565

    Dell PowerScale OneFS versions 9.1.0.3 and earlier contain a denial of service vulnerability. SmartConnect had an error condition that may be triggered to loop, using CPU and potentially preventing other SmartConnect DNS responses.

    Published:Aug 2, 2021
    Last Modified:Feb 20, 2026
    EPS:Aug 2, 2021
    EPSS Score:0.00377
    CVSS Score:5.3

    Affected Products

    Vendor
    Dell
    Product
    Powerscale Onefs

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-46460 (CVSS 3.5) — Dell PowerScale OneFS, versions 9.5.0.0 through 9.7.1.15, versions 9.8.0.0 through 9.13.1.0, and versions prio…
    CVE-2026-40635 (CVSS 5.4) — Dell PowerScale OneFS versions 9.12.0.0 through 9.13.1.0 contain an Insecure Temporary File vulnerability. A l…
    CVE-2026-70425 (CVSS 6.7) — Dell PowerScale OneFS, Versions 9.5.0.0 through 9.7.1.0, Versions 9.8.0.0 through 9.10.1.0, and Versions 9.11.…
    CVE-2026-40633 (CVSS 7.8) — Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, versions 9.11.0.0 through 9.13.0.2 contains an Insert…
    CVE-2026-49501 (CVSS 6.7) — Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, and versions 9.11.0.0 through 9.13.0.2 contains an Im…
    CVE-2026-32803 (CVSS 3.3) — Dell PowerScale OneFS versions 9.5.0.0 through 9.5.1.6, 9.6.0.0 through 9.7.1.13, 9.8.0.0 through 9.10.1.5 and…
    CVE-2025-43937 (CVSS 6.6) — Dell PowerScale OneFS, versions prior to 9.12.0.0, contains an insertion of sensitive information into log fil…
    CVE-2025-43935 (CVSS 4.4) — Dell PowerScale OneFS, versions prior to 9.12.0.0, contains an improper resource shutdown or release vulnerabi…
    CVE-2025-43883 (CVSS 4.1) — Dell PowerScale OneFS, versions prior to 9.12.0.0, contains an improper check for unusual or exceptional condi…
    CVE-2026-24511 (CVSS 4.4) — Dell PowerScale OneFS, versions 9.5.0.0 through 9.10.1.6 and versions 9.11.0.0 through 9.13.0.0, contains a ge…

    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