CVE-2025-13670: altera high level synthesis compiler Uncontrolled Search Path Element
CVSS: 6.7v3.1MediumAnalyzed
Published 12-12-2025Last modified 12-12-2025
Vulnerability summary
CVE-2025-13670 is a medium (CVSS 6.7) Uncontrolled Search Path Element vulnerability in altera high level synthesis compiler. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.5% of scored vulnerabilities.
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.12%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-12-2025PublishedVulnerability first disclosed.
- 12-12-2025Last modifiedVulnerability information updated.
Description
The High Level Synthesis Compiler i++ command for Windows is vulnerable to a DLL planting vulnerability
CVSS metrics
4 scores · 2 sources · 2 versionsMedium 5.4Preferred score · CVE.org (CNA)
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST5.4MediumCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Medium 6.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.12%
Chance of exploitation in the next 30 days
Percentile
2%
Versus all other CVEs
30-day change
0.00 pp
From 0.12% on 19-09-2026
19-09-202619-10-2026
EPSS score0.12%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Altera1 product
- high level synthesis compiler≥ 19.1, ≤ 24.3
Intel1 product
2 vendors · 2 products
References
1 links- www.altera.com/security/security-advisory/asa-0003Vendor Advisory