Citrix Security Alert | Citrix ADC, Citrix Gateway, & Citrix SD-WAN

News | Posted On Nov 09, 2021 | By:

On Nov. 9, 2021, Citrix published a security bulletin for Citrix ADC, Citrix Gateway, and Citrix SD-WAN WANOP Edition that covers two vulnerabilities —  one a critical severity vulnerability.  If exploited, these vulnerabilities could result in the following security issues:

  • Critical Severity | Unauthenticated Denial of Service – CVE-2021-22955
    • Affected products: Citrix ADC and Citrix Gateway
  • Low Severity | Temporary disruption of the Management GUI, Nitro API and RPC communication – CVE-2021-22956
    • Affected products: Citrix ADC, Citrix Gateway, Citrix SD-WAN WANOP Edition

The bulletin can be found here:  While no known exploits are currently available, to reduce risk, IntraSystems and Citrix strongly encourages you to apply the fixes as soon as possible.  Fixes are available on the Citrix downloads page:

If you require assistance, please contact IntraSystems SupportAdditionally, you may email us at or call us at 781.986.1700 x3 for support.

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