CVE-2021-22955

Published: Dec 7, 2021Modified: Nov 21, 2024

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (6)

Products: Citrix: Application Delivery Controller Firmware, Gateway

Citrix

2 products

Application Delivery Controller Firmware

Gateway

Configuration A

3 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Citrix Application Delivery Controller Firmware	Up to 11.1-65.23
Citrix Application Delivery Controller Firmware	From 12.1 to 12.1-63.22
Citrix Application Delivery Controller Firmware	From 13.0 to 13.0-83.27

Running on/with	Platform Versions
Citrix Application Delivery Controller	All versions

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Citrix Gateway	Before 11.1-65.23
Citrix Gateway	From 12.1 to 12.1-63.22
Citrix Gateway	From 13.0 to 13.0-83.27

Related CWEs

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.

References (2)

https://support.citrix.com/article/CTX330728

Source: support@hackerone.com

Vendor Advisory

https://support.citrix.com/article/CTX330728

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.