Nuvation Energy nCloud VPN Service confused deputy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Nuvation Energy nCloud VPN Service. It has been rated as very critical. This affects an unknown part. This manipulation causes confused deputy. This vulnerability is handled as CVE-2025-64123. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Nuvation Energy nCloud VPN Service (version unknown). It has been declared as very critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a confused deputy vulnerability. The CWE definition for the vulnerability is CWE-441. The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere. This causes the product to appear to be the source of the request, leading it to act as a proxy or other intermediary between the upstream component and the external actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unintended Proxy or Intermediary vulnerability in Nuvation Energy Multi-Stack Controller (MSC) allows Network Boundary Bridging.This issue affects Multi-Stack Controller (MSC): through and including release 2.5.1.

It is possible to read the advisory at dragos.com. This vulnerability is known as CVE-2025-64123 since 10/27/2025. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/26/2026).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206223). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Confused deputy
CWE: CWE-441
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/27/2025 CVE reserved
01/02/2026 +67 days Advisory disclosed
01/02/2026 +0 days VulDB entry created
02/26/2026 +55 days VulDB entry last update

Sourcesinfo

Advisory: dragos.com
Status: Confirmed

CVE: CVE-2025-64123 (🔒)
GCVE (CVE): GCVE-0-2025-64123
GCVE (VulDB): GCVE-100-339451
EUVD: 🔒

Entryinfo

Created: 01/02/2026 23:21
Updated: 02/26/2026 23:32
Changes: 01/02/2026 23:21 (65), 01/03/2026 00:17 (1), 01/03/2026 08:01 (8), 02/26/2026 23:32 (11)
Complete: 🔍
Cache ID: 216::103

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