CVE-2021-22928 Privilege escalation in Citrix Virtual Apps and Desktops
Privilege escalation in Citrix Virtual Apps allows users to gain SYSTEM privileges on Windows VDAs with specific profile management plugins installed.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22928?
CVE-2021-22928 is a high-severity vulnerability in Citrix Virtual Apps and Desktops, published on 5 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in Citrix Virtual Apps and Desktops that could, if exploited, allow a user of a Windows VDA that has either Citrix Profile Management or Citrix Profile Management WMI Plugin installed to escalate their privilege level on that Windows VDA to SYSTEM.
Which versions are affected by CVE-2021-22928?
It affects 3 products.
Products include Citrix Virtual Apps and Desktops, Citrix Xenapp, Citrix Xendesktop.
How do I fix CVE-2021-22928?
No fix has been published for CVE-2021-22928 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22928 being exploited?
There is no known exploitation of CVE-2021-22928 in the wild and no public exploit code.
Other vulnerabilities in Citrix Virtual Apps and Desktops
- CVE-2020-8283 Privilege escalation in Citrix Virtual Apps and Desktops
- CVE-2020-8269 Privilege escalation in Citrix Virtual Apps and Desktops
- CVE-2020-8270 Command injection in Citrix Virtual Apps and Desktops
- CVE-2024-6151 Local Privilege escalation allows a low-privileged user to gain SYSTEM privileges
- CVE-2023-24483 Privilege Escalation to NT AUTHORITY\SYSTEM on the vulnerable VDA
Sources
Also known as GHSA-469p-6wj5-vcqr.