HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs.
Priority LOW 30Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
HP is aware of a potential security vulnerability in HP t430 and t638 Thin Client PCs. These models may be susceptible to a physical attack, allowing an untrusted source to tamper with the system firmware using a publicly disclosed private key. HP is providing recommended guidance for customers to reduce exposure to the potential vulnerability.
Why it matters now
EPSS 0.00328 26th 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 |
|---|---|---|---|---|---|
| Hewlett Packard Enterprise | HP t430 and t638 Thin Clients | See HP Security Bulletin for affected products. and later | — | No fix listed | CNA |
- HP t430 and t638 Thin Clients VendorHewlett Packard Enterprise Affected See HP Security Bulletin for affected products. and later Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:hp:t430_thin_client_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Hewlett Packard Enterprise |
| cpe:2.3:h:hp:t430_thin_client:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise |
| cpe:2.3:o:hp:t638_thin_client_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Hewlett Packard Enterprise |
| cpe:2.3:h:hp:t638_thin_client:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Hewlett Packard Enterprise |
- cpe:2.3:o:hp:t430_thin_client_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Hewlett Packard Enterprise
- cpe:2.3:h:hp:t430_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise
- cpe:2.3:o:hp:t638_thin_client_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Hewlett Packard Enterprise
- cpe:2.3:h:hp:t638_thin_client:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Hewlett Packard Enterprise
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5409
- 2026-10-03 Alias added: GHSA-76mp-24cw-7mwq
References
More Hewlett Packard Enterprise T430 Thin Client Firmware vulnerabilities
- TI-2021-02403 Improper privilege management in Hewlett Packard Enterprise HP PC BIOS CVSS 3.1HIGH 7.8
Sources
- CVE-2023-5409 · CVE Program
- CVE-2023-5409 · NVD
- FIRST EPSS
- GHSA-76mp-24cw-7mwq · 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