Missing brute-force protection in Schneider Electric PowerChute™ Serial Shutdown
Priority LOW 36CWE-307Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.
Summary
CWE-307 Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on a sequence of requests to multiple endpoints.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00274 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | PowerChute™ Serial Shutdown | up to v1.4 | — | No fix listed | CNA |
- PowerChute™ Serial Shutdown VendorSchneider Electric Affected up to v1.4 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:powerchute_serial_shutdown:*:*:*:*:*:*:*:* | before 1.5 | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:powerchute_serial_shutdown:*:*:*:*:*:*:*:* Versions before 1.5 Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-2402
- 2026-10-03 Alias added: GHSA-gwjq-j584-rm32
References
More Schneider Electric Powerchute Serial Shutdown vulnerabilities
- TI-2026-02038 Improper output encoding in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0MEDIUM 6.9
- TI-2026-02033 Path traversal in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0MEDIUM 6.9
- TI-2026-02039 Uncontrolled resource consumption in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0MEDIUM 5.3
- TI-2026-02034 CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection') vulnerability exists… CVSS 4.0MEDIUM 5.3
- TI-2026-02037 CWE-1284 Improper Validation of Specified Quantity in Input vulnerability exists that… CVSS 4.0MEDIUM 5.3
- TI-2026-02035 Sensitive information in log files in Schneider Electric PowerChute™ Serial Shutdown CVSS 4.0LOW 2.4
Sources
- CVE-2026-2402 · CVE Program
- CVE-2026-2402 · NVD
- FIRST EPSS
- GHSA-gwjq-j584-rm32 · GitHub Advisory Database · CC BY 4.0
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