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.

CVSS v3 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://support.citrix.com/article/CTX330728	Vendor Advisory
https://support.citrix.com/article/CTX330728	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:citrix:application_delivery_controller_firmware::::::::
	cpe:2.3:o:citrix:application_delivery_controller_firmware::::::::
	cpe:2.3:o:citrix:application_delivery_controller_firmware::::::::

cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:a:citrix:gateway::::::::
	cpe:2.3:a:citrix:gateway::::::::
	cpe:2.3:a:citrix:gateway::::::::

History

21 Nov 2024, 05:51

Type	Values Removed	Values Added
References	~~() https://support.citrix.com/article/CTX330728 - Vendor Advisory~~	() https://support.citrix.com/article/CTX330728 - Vendor Advisory

Information

Published : 2021-12-07 14:15

Updated : 2024-11-21 05:51

NVD link : CVE-2021-22955

Mitre link : CVE-2021-22955

CVE.ORG link : CVE-2021-22955

JSON object : View

Products Affected

citrix

gateway
application_delivery_controller_firmware
application_delivery_controller

CWE

CWE-400

Uncontrolled Resource Consumption

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