Server Spoofing Vulnerability in NxCloud
Priority LOW 37CWE-290Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-290.
Summary
An issue was discovered by IPVM team in Network Optix NxCloud before 23.1.0.40440. It was possible to add a fake VMS server to NxCloud by using the exact identification of a legitimate VMS server. As result, it was possible to retrieve authorization headers from legitimate users when the legitimate client connects to the fake VMS server.
Why it matters now
EPSS 0.00489 42nd percentileScored 2026-11-07
Fix Fixed NxCloud (Network Optix): 23.1.0.40440
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 |
|---|---|---|---|---|---|
| Network Optix | NxCloud | before 23.1.0.40440 | 23.1.0.40440 | Patch available | CNA |
- NxCloud VendorNetwork Optix Affected before 23.1.0.40440 Fixed in 23.1.0.40440 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:networkoptix:nxcloud:*:*:*:*:*:*:*:* | before 23.1.0.40440 | Vulnerable | Network Optix |
- cpe:2.3:a:networkoptix:nxcloud:*:*:*:*:*:*:*:* Versions before 23.1.0.40440 Vulnerable ·Network Optix
Remediation
- Fix · CNA NxCloud (Network Optix) Fixed in 23.1.0.40440
Timeline
- 2026-10-02 Threatist record created from CVE-2023-6263
- 2026-10-03 Alias added: GHSA-xh6m-2h5x-55mh
References
Sources
- CVE-2023-6263 · CVE Program
- CVE-2023-6263 · NVD
- FIRST EPSS
- GHSA-xh6m-2h5x-55mh · 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