Medium severity · published Dec 12, 2025
CVE-2025-13669
High Level Synthesis Compiler Security Advisory
6.7
CVSS
0.1%
EPSS
No
On KEV
Description
Uncontrolled Search Path Element vulnerability in Altera High Level Synthesis Compiler on Windows allows Search Order Hijacking.This issue affects High Level Synthesis Compiler: from 19.1 through 24.3.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HL
High Level Synthesis Compiler · Altera
19.1 through 24.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13669
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13669
Vendor Advisory
https://www.altera.com/security/security-advisory/asa-0003
More from High Level Synthesis Compiler
6.7
CVE-2025-13670
High Level Synthesis Compiler Security Advisory