Firmware upload verification bypass in TXpert Hub CoreTec 4
Priority LOW 29CWE-494Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-494.
Summary
A vulnerability exists in the file upload validation part of Hitachi Energy TXpert Hub CoreTec 4 product. The vulnerability allows an attacker or malicious agent who manages to gain access to the system and obtain an account with sufficient privilege to upload a malicious firmware to the product. This issue affects: Hitachi Energy TXpert Hub CoreTec 4 version 2.0.0; 2.0.1; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1.
Why it matters now
EPSS 0.00169 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| Hitachi Energy | TXpert Hub CoreTec 4 version | 2.0.0; 2.0.1; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1 | — | No fix listed | CNA |
- TXpert Hub CoreTec 4 version VendorHitachi Energy Affected 2.0.0; 2.0.1; 2.1.0; 2.1.1; 2.1.2; 2.1.3; 2.2.0; 2.2.1 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Hitachi Energy |
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Hitachi Energy |
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Hitachi Energy |
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | Hitachi Energy |
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.2:*:*:*:*:*:*:* | 2.1.2 | Vulnerable | Hitachi Energy |
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.3:*:*:*:*:*:*:* | 2.1.3 | Vulnerable | Hitachi Energy |
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Hitachi Energy |
| cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Hitachi Energy |
| cpe:2.3:h:hitachienergy:txpert_hub_coretec_4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hitachi Energy |
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Hitachi Energy
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Hitachi Energy
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Hitachi Energy
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·Hitachi Energy
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.2:*:*:*:*:*:*:* Versions 2.1.2 Vulnerable ·Hitachi Energy
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.1.3:*:*:*:*:*:*:* Versions 2.1.3 Vulnerable ·Hitachi Energy
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Hitachi Energy
- cpe:2.3:o:hitachienergy:txpert_hub_coretec_4_firmware:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Hitachi Energy
- cpe:2.3:h:hitachienergy:txpert_hub_coretec_4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hitachi Energy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35532
- 2026-10-03 Alias added: GHSA-c4j3-6346-fqqx
More Hitachi Energy Txpert Hub Coretec 4 Firmware vulnerabilities
- TI-2022-03099 IEC 61850 MMS-Server Vulnerability in multiple Hitachi Energy Products CVSS 3.1HIGH 7.5
- TI-2021-14262 Remote Code Execution in TXpert Hub CoreTec 4 CVSS 3.1MEDIUM 6.7
- TI-2021-14261 User authentication bypass in TXpert Hub CoreTec 4 CVSS 3.1MEDIUM 6.7
Sources
- CVE-2021-35532 · CVE Program
- CVE-2021-35532 · NVD
- FIRST EPSS
- GHSA-c4j3-6346-fqqx · 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