Vulnerability · Published Jan 2, 2026 · Assigned by Dragos
CVE-2025-64121Nuvation Energy Multi-Stack Controller Authentication Bypass
Critical 10.0
In plain English
A critical-severity authentication bypass in Multi-Stack Controller (MSC) from Nuvation Energy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.4%top 65.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Authentication Bypass Using an Alternate Path or Channel vulnerability in Nuvation Energy Multi-Stack Controller (MSC) allows Authentication Bypass.This issue affects Multi-Stack Controller (MSC): from 2.3.8 before 2.5.1.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Nuvation Energy | Multi-Stack Controller (MSC) | 2.3.8 – before 2.5.1 |
Weakness: CWE-288 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y