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PRIOn knowledge basePRION:CVE-2021-22955

HistoryDec 07, 2021 - 2:15 p.m.

Denial of service

2021-12-0714:15:00

PRIOn knowledge base

www.prio-n.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

36.9%

JSON

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.

CPENameOperatorVersion
application_delivery_controller_firmwareeq<= 11.1-65.23
application_delivery_controller_firmwarege12.1
application_delivery_controller_firmwarelt12.1
application_delivery_controller_firmwarege13.0
application_delivery_controller_firmwarelt13.0
gatewayeq< 11.1-65.23
gatewayge13.0
gatewaylt13.0
gatewayge12.1
gatewaylt12.1

Name	Operator	Version
application_delivery_controller_firmware	eq	<= 11.1-65.23
application_delivery_controller_firmware	ge	12.1
application_delivery_controller_firmware	lt	12.1
application_delivery_controller_firmware	ge	13.0
application_delivery_controller_firmware	lt	13.0
gateway	eq	< 11.1-65.23
gateway	ge	13.0
gateway	lt	13.0
gateway	ge	12.1
gateway	lt	12.1

References

support.citrix.com/article/CTX330728

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

36.9%

JSON

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