Unrestricted file upload in Hitachi Energy RTU500 series CMU firmware
Priority LOW 36CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
A vulnerability exists in the stb-language file handling that affects the RTU500 series product versions listed below. A malicious actor could print random memory content in the RTU500 system log, if an authorized user uploads a specially crafted stb-language file.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00448 39th 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
- No
- 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 |
|---|---|---|---|---|---|
| Hitachi Energy | RTU500 series CMU firmware | 12.0.1 – 12.0.14; 12.2.1 – 12.2.11; 12.4.1 – 12.4.11; 12.6.1 – 12.6.9; 12.7.1 – 12.7.6; 13.2.1 – 13.2.6; 13.4.1 – 13.4.4; 13.5.1 – 13.5.3 | — | No fix listed | CNA |
- RTU500 series CMU firmware VendorHitachi Energy Affected 12.0.1 – 12.0.14; 12.2.1 – 12.2.11; 12.4.1 – 12.4.11; 12.6.1 – 12.6.9; 12.7.1 – 12.7.6; 13.2.1 – 13.2.6; 13.4.1 – 13.4.4; 13.5.1 – 13.5.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-1531
- 2026-10-03 Alias added: GHSA-vpmw-w5fr-gf3h
References
More Hitachi Energy vulnerabilities
- TI-2019-03985 ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function CVSS 3.1CRITICAL 9.8
- TI-2018-10635 Improper authentication in ICS-CERT ABB eSOMS CVSS 3.0CRITICAL 9.8
- TI-2024-01871 Heap-based buffer overflow in Hitachi Energy FOXMAN-UN CVSS 3.1CRITICAL 9.8
- TI-2026-07105 Path traversal in Hitachi Energy RTU500 series CMU firmware CVSS 3.1CRITICAL 9.1
- TI-2019-13270 Path traversal in Relion 670 Series CVSS 3.1CRITICAL 10.0
- TI-2026-07104 Missing authentication in Hitachi Energy RTU500 series CMU firmware CVSS 3.1CRITICAL 9.1
Sources
- CVE-2024-1531 · CVE Program
- CVE-2024-1531 · NVD
- FIRST EPSS
- GHSA-vpmw-w5fr-gf3h · 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