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CVE-2021-22955

Estado: ModificadaAlta (7.5)—

A unauthenticated denial of service vulnerability exists in Citrix ADC <13.0-83.27, <12.1-63.22 and 11.1-65.23 when configured as a VPN (Gateway) or AAA virtual server could allow an attacker to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Citrix — Application Delivery Controller FirmwareCitrix — Gateway

CWE

Referencias

JSON original (NVD)

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          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
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          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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      "affectedData": [
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          "vendor": "n/a",
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  "published": "2021-12-07T14:15:08.890",
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    },
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    }
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  "lastModified": "2026-06-17T03:38:06.187",
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