CVE-2021-22956

HIGH

Citrix ADC <13.0-83.27,<12.1-63.22,11.1-65.23 - DoS

Title source: llm
STIX 2.1

Description

An uncontrolled resource consumption vulnerability exists in Citrix ADC <13.0-83.27, <12.1-63.22 and 11.1-65.23 that could allow an attacker with access to NSIP or SNIP with management interface access to cause a temporary disruption of the Management GUI, Nitro API, and RPC communication.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.citrix.com/article/CTX330728

Scores

CVSS v3 7.5
EPSS 0.0051
EPSS Percentile 66.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400
Status published
Products (3)
citrix/application_delivery_controller_firmware < 11.1-65.23
citrix/gateway < 11.1-65.23
citrix/sd-wan < 10.2.9c
Published Dec 07, 2021
Tracked Since Feb 18, 2026