Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-22955

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
07/12/2021
Last modified:
08/12/2021

Description

A unauthenticated denial of service vulnerability exists in Citrix ADC

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* 11.1-65.23 (including)
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* 12.1 (including) 12.1-63.22 (excluding)
cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:* 13.0 (including) 13.0-83.27 (excluding)
cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*
cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:* 11.1-65.23 (excluding)
cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:* 12.1 (including) 12.1-63.22 (excluding)
cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:* 13.0 (including) 13.0-83.27 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools