Citrix Virtual Apps and Desktops Privilege Escalation Vulnerability (CTX319750)

high Nessus Plugin ID 152046

Synopsis

An application installed on the remote Windows host is affected by a privilege escalation vulnerability.

Description

The version of Citrix Virtual Apps and Desktops installed on the remote Windows host is 2016 and earlier, or s 1912 LTSR CU3 or earlier. It is, therefore, affected by a privilege escalation vulnerability. An unspecified flaw exists related to Citrix Profile Management or Citrix Profile Management WMI Plugin that allows a local attacker to escalate privileges to SYSTEM.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Refer to vendor advisory.

See Also

https://support.citrix.com/article/CTX319750

Plugin Details

Severity: High

ID: 152046

File Name: citrix_vda_ctx319750.nasl

Version: 1.6

Type: local

Agent: windows

Family: Windows

Published: 7/23/2021

Updated: 2/17/2023

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2021-22928

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:citrix:virtual_apps_and_desktops

Required KB Items: installed_sw/Citrix Virtual Apps and Desktops

Exploit Ease: No known exploits are available

Patch Publication Date: 7/12/2021

Vulnerability Publication Date: 7/12/2021

Reference Information

CVE: CVE-2021-22928

IAVA: 2021-A-0325-S