CVE-2019-11634 Citrix Workspace Application and Receiver for Windows Remote Code Execution
An attacker can bypass access controls in Citrix Workspace App for Windows, potentially gaining unauthorized access to resources.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-11634?
CVE-2019-11634 is a critical missing authorization vulnerability in n/a, published on 22 May 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Citrix Workspace App before 1904 for Windows has Incorrect Access Control.
Weakness: CWE-284
Which versions are affected by CVE-2019-11634?
It affects 2 products.
Products include Citrix Receiver, Citrix Workspace.
How do I fix CVE-2019-11634?
No fix has been published for CVE-2019-11634 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2019-11634 being exploited?
Yes. Attackers have exploited CVE-2019-11634 in the wild since at least 3 Nov 2021, including in ransomware campaigns.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cqg8-w8fp-8gm6.