HP t638 Thin Client Firmware vulnerabilities

3 CVEs affecting HP t638 Thin Client Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-26300, published 2023-10-18.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2023-5409, published 2023-10-13. Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days. 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…
• CVE-2023-26300, published 2023-10-18. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. A potential security vulnerability has been identified in the system BIOS for certain HP PC products which might allow escalation of privilege. HP is releasing firmware updates to mitigate the…
• CVE-2021-3439, published 2023-02-01. High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days. HP has identified a potential vulnerability in BIOS firmware of some Workstation products. Firmware updates are being released to mitigate these potential vulnerabilities.