Cross-site request forgery in VMware vSphere Web Client
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Tampering, Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-352, CWE-918 and the CVSS impact.
Summary
The flash-based vSphere Web Client (6.0 prior to 6.0 U3c and 5.5 prior to 5.5 U3f) i.e. not the new HTML5-based vSphere Client, contains SSRF and CRLF injection issues due to improper neutralization of URLs. An attacker may exploit these issues by sending a POST request with modified headers towards internal services leading to information disclosure.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| VMware | vSphere Web Client | 6.0 prior to 6.0 U3c; 5.5 prior to 5.5 U3f | — | No fix listed | CNA |
- vSphere Web Client VendorVMware Affected 6.0 prior to 6.0 U3c; 5.5 prior to 5.5 U3f Fixed in — No fix listed CNA
CPE configurations NVD · 27
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:vcenter_server:5.5:*:*:*:*:*:*:* | 5.5 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:1:*:*:*:*:*:* | 5.5 1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:1a:*:*:*:*:*:* | 5.5 1a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:1b:*:*:*:*:*:* | 5.5 1b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:1c:*:*:*:*:*:* | 5.5 1c | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:2:*:*:*:*:*:* | 5.5 2 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:2b:*:*:*:*:*:* | 5.5 2b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:2d:*:*:*:*:*:* | 5.5 2d | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:2e:*:*:*:*:*:* | 5.5 2e | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:3:*:*:*:*:*:* | 5.5 3 | Vulnerable | VMware |
- cpe:2.3:a:vmware:vcenter_server:5.5:*:*:*:*:*:*:* Versions 5.5 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:1:*:*:*:*:*:* Versions 5.5 1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:1a:*:*:*:*:*:* Versions 5.5 1a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:1b:*:*:*:*:*:* Versions 5.5 1b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:1c:*:*:*:*:*:* Versions 5.5 1c Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:2:*:*:*:*:*:* Versions 5.5 2 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:2b:*:*:*:*:*:* Versions 5.5 2b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:2d:*:*:*:*:*:* Versions 5.5 2d Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:2e:*:*:*:*:*:* Versions 5.5 2e Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:3:*:*:*:*:*:* Versions 5.5 3 Vulnerable ·VMware
Show 17 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:vcenter_server:5.5:3a:*:*:*:*:*:* | 5.5 3a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:3b:*:*:*:*:*:* | 5.5 3b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:3d:*:*:*:*:*:* | 5.5 3d | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:3e:*:*:*:*:*:* | 5.5 3e | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:b:*:*:*:*:*:* | 5.5 b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:5.5:c:*:*:*:*:*:* | 5.5 c | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:1:*:*:*:*:*:* | 6.0 1 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:1b:*:*:*:*:*:* | 6.0 1b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:2:*:*:*:*:*:* | 6.0 2 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:2a:*:*:*:*:*:* | 6.0 2a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:2m:*:*:*:*:*:* | 6.0 2m | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:3:*:*:*:*:*:* | 6.0 3 | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:3a:*:*:*:*:*:* | 6.0 3a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:3b:*:*:*:*:*:* | 6.0 3b | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:a:*:*:*:*:*:* | 6.0 a | Vulnerable | VMware |
| cpe:2.3:a:vmware:vcenter_server:6.0:b:*:*:*:*:*:* | 6.0 b | Vulnerable | VMware |
- cpe:2.3:a:vmware:vcenter_server:5.5:3a:*:*:*:*:*:* Versions 5.5 3a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:3b:*:*:*:*:*:* Versions 5.5 3b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:3d:*:*:*:*:*:* Versions 5.5 3d Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:3e:*:*:*:*:*:* Versions 5.5 3e Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:b:*:*:*:*:*:* Versions 5.5 b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:5.5:c:*:*:*:*:*:* Versions 5.5 c Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:1:*:*:*:*:*:* Versions 6.0 1 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:1b:*:*:*:*:*:* Versions 6.0 1b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:2:*:*:*:*:*:* Versions 6.0 2 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:2a:*:*:*:*:*:* Versions 6.0 2a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:2m:*:*:*:*:*:* Versions 6.0 2m Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:3:*:*:*:*:*:* Versions 6.0 3 Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:3a:*:*:*:*:*:* Versions 6.0 3a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:3b:*:*:*:*:*:* Versions 6.0 3b Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:a:*:*:*:*:*:* Versions 6.0 a Vulnerable ·VMware
- cpe:2.3:a:vmware:vcenter_server:6.0:b:*:*:*:*:*:* Versions 6.0 b Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-4928
- 2026-10-03 Alias added: GHSA-hgcm-2jjw-4pr2
References
More VMware Vcenter Server vulnerabilities
- TI-2026-42442 vCenter directory-traversal vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2023-16914 VMware vCenter Server Out-of-Bounds Write Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-05049 Path traversal in VMware vCenter Server, VMware Cloud Foundation KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2017-4928 · CVE Program
- CVE-2017-4928 · NVD
- FIRST EPSS
- GHSA-hgcm-2jjw-4pr2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences