Remote code execution in Citrix Workspace App for Windows
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-8207 |
| CWE-ID | CWE-345 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
Citrix Workspace for Windows Server applications / Remote management servers, RDP, SSH |
| Vendor | Citrix |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Insufficient verification of data authenticity
EUVDB-ID: #VU46990
Risk: High
CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-8207
CWE-ID:
CWE-345 - Insufficient Verification of Data Authenticity
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists within the automatic update service due to improper verification of data authenticity when installing updates. A remote attacker can execute arbitrary application on the system with elevated privileges.
Successful exploitation of the vulnerability requires that Windows file sharing (SMB) is enabled on the affected system and the updater service is running.
Install updates from vendor's website.
Vulnerable software versionsCitrix Workspace for Windows: 1808 - 2006.1
External linkshttp://support.citrix.com/article/CTX277662
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
