CVE-2025-43866
Published: 12 June 2025
Summary
CVE-2025-43866 is a low-severity Use of Insufficiently Random Values (CWE-330) vulnerability in Vantage6 Vantage6. Its CVSS base score is 1.7 (Low).
Operationally, ranked in the top 48.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-18201
Vulnerability details
vantage6 is an open-source infrastructure for privacy preserving analysis. The JWT secret key in the vantage6 server is auto-generated unless defined by the user. The auto-generated key is a UUID1, which is not cryptographically secure as it is predictable to…
more
some extent. This vulnerability is fixed in 4.11.0.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Key generation under controlled management uses approved random-bit sources rather than insufficiently random values.