7.5

CVE-2021-22955

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Citrix ≫ Application Delivery Controller Firmware Version >= 12.1 < 12.1-63.22
Citrix ≫ Application Delivery Controller Firmware Version >= 13.0 < 13.0-83.27
Citrix ≫ Gateway Version < 11.1-65.23
Citrix ≫ Gateway Version >= 12.1 < 12.1-63.22
Citrix ≫ Gateway Version >= 13.0 < 13.0-83.27
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.67% 0.689
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 4.3 8.6 2.9
AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.