Horizon View
CVE-2017-4918
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Command injection prevention
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 3.01%. |
| Exploit ScenarioDerived | A remote attacker could inject arbitrary commands into system command execution by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
VMware Horizon View Client (2.x, 3.x and 4.x prior to 4.5.0) contains a command injection vulnerability in the service startup script. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. VMware Horizon View Client (2.x, 3.x and 4.x prior to 4.5.0) contains a command injection vulnerability in the service startup script. Successful exploitation of this issue may allow unprivileged users to escalate their privileges to root on the Mac OSX system where the client is installed. Affected products include: Vmware Horizon View. Version information: prior to 4.5.0.
Know when Horizon View gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
VMware Horizon View Client (2.x, 3.x and 4.x prior to 4.5.0) contains a command injection vulnerability in the service startup script. Successful exploitation of this issue may allow unprivileged users to escalate their privileges to root on the Mac OSX system where the client is installed.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Affected Products (CPE)CVE.org
More in Horizon View
View allVMware Unified Access Gateway (2.5.x, 2.7.x, 2.8.x prior to 2.8.1) and Horizon View (7.x prior to 7.1.0, 6.x prior to 6.
VMware Workstation (12.x prior to 12.5.3) and Horizon View Client (4.x prior to 4.4.0) contain multiple out-of-bounds re
VMware Workstation (12.x prior to 12.5.3) and Horizon View Client (4.x prior to 4.4.0) contain multiple out-of-bounds wr
VMware Workstation (12.x prior to 12.5.3) and Horizon View Client (4.x prior to 4.4.0) contain multiple out-of-bounds re
VMware Workstation (12.x prior to 12.5.3) and Horizon View Client (4.x prior to 4.4.0) contain a heap buffer-overflow vu
VMware Workstation (12.x prior to 12.5.3) and Horizon View Client (4.x prior to 4.4.0) contain multiple heap buffer-over
VMware Workstation (12.x before 12.5.8) and Horizon View Client for Windows (4.x before 4.6.1) contain an out-of-bounds
VMware Workstation (12.x before 12.5.8) and Horizon View Client for Windows (4.x before 4.6.1) contain an out-of-bounds
VMware Workstation (12.x prior to 12.5.3) and Horizon View Client (4.x prior to 4.4.0) contain an integer-overflow vulne
VMware Workstation (12.x before 12.5.8) and Horizon View Client for Windows (4.x before 4.6.1) contain an out-of-bounds
VMware Horizon 6 (6.x.x before 6.2.7), Horizon 7 (7.x.x before 7.5.1), and Horizon Client (4.x.x and prior before 4.8.1)
Directory traversal vulnerability in the Connection Server in VMware Horizon View 5.x before 5.3.7, 6.x before 6.2.3, an
GitHub PoC
Exploit-DB