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[email protected]CVE-2021-22955

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

CVE-2021-22955

2021-12-0714:15:08

CWE-400

[email protected]

web.nvd.nist.gov

cve-2021-22955

unauthenticated

denial of service

vulnerability

citrix adc

nvd

security

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.001 Low

EPSS

Percentile

38.4%

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.

Affected configurations

NVD

Node

citrixapplication_delivery_controller_firmwareRange≤11.1-65.23

citrixapplication_delivery_controller_firmwareRange12.1–12.1-63.22

citrixapplication_delivery_controller_firmwareRange13.0–13.0-83.27

AND

citrixapplication_delivery_controllerMatch-

Node

citrixgatewayRange<11.1-65.23

citrixgatewayRange12.1–12.1-63.22

citrixgatewayRange13.0–13.0-83.27

CPENameOperatorVersion
citrix:application_delivery_controller_firmwarecitrix application delivery controller firmwarele11.1-65.23
citrix:application_delivery_controller_firmwarecitrix application delivery controller firmwarelt12.1-63.22
citrix:application_delivery_controller_firmwarecitrix application delivery controller firmwarelt13.0-83.27

CPE	Name	Operator	Version
citrix:application_delivery_controller_firmware	citrix application delivery controller firmware	le	11.1-65.23
citrix:application_delivery_controller_firmware	citrix application delivery controller firmware	lt	12.1-63.22
citrix:application_delivery_controller_firmware	citrix application delivery controller firmware	lt	13.0-83.27

CNA Affected

[
  {
    "product": "Citrix ADC, Citrix Gateway",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Citrix ADC 111.1, 2.1, 13.0,13.1"
      }
    ]
  }
]

References

support.citrix.com/article/CTX330728

Social References

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.001 Low

EPSS

Percentile

38.4%

JSON

Related for CVE-2021-22955

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