What is CVE-2025-13670?

CVE-2025-13670 is a medium-severity vulnerability in Altera High Level Synthesis Compiler, classified under Uncontrolled Search Path Element. CVSS score: 6.7/10. Published 2025-12-12.

How severe is CVE-2025-13670?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Altera High Level Synthesis Compiler

CVE-2025-13670

The High Level Synthesis Compiler i++ command for Windows is vulnerable to a DLL planting vulnerability

EPSS: 0.001 (0.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Altera High Level Synthesis Compiler — versions 19.1
Intel High_level_synthesis_compiler
Microsoft Windows

Weakness classification (CWE)

CWE-427 — Uncontrolled Search Path Element

References

04c0172e-9735-4a9d-a92a-fe01fa863447 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-13670?: CVE-2025-13670 is a medium-severity vulnerability in Altera High Level Synthesis Compiler, classified under Uncontrolled Search Path Element. CVSS score: 6.7/10. Published 2025-12-12.
How severe is CVE-2025-13670?: Medium severity. CVSS v3 base score is 6.7 out of 10.