Vulnerability in Altera Quartus Prime Pro

CVE-2025-13663

Under certain circumstances, the Quartus Prime Pro Installer for Windows does not check the permissions of the Quartus target installation directory if the target installation directory already exists.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.001 (0.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-13663: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13663?
CVE-2025-13663 is a medium-severity vulnerability in Altera Quartus Prime Pro, classified under Incorrect Execution-Assigned Permissions. CVSS score: 6.7/10. Published 2025-12-11.
How severe is CVE-2025-13663?
Medium severity. CVSS v3 base score is 6.7 out of 10.