What is CVE-2024-21671?

CVE-2024-21671 is a low-severity vulnerability in Vantage6, classified under CWE-208. CVSS score: 3.7/10. Published 2024-01-30.

How severe is CVE-2024-21671?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Vantage6

CVE-2024-21671

The vantage6 technology enables to manage and deploy privacy enhancing technologies like Federated Learning (FL) and Multi-Party Computation (MPC). It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks. Version 4.2.0 patches this vulnerability.

Published 2024-01-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (31.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Vantage6 — versions < 4.2.0

Weakness classification (CWE)

References

github.com/vantage6/vantage6/security/advisories/GHSA-45gq-q4xh-cp53 (Vendor Advisory)
github.com/vantage6/vantage6/commit/389f416c445da4f2438c72f34c3b1084485c4e30 (Patch)

Frequently asked questions

What is CVE-2024-21671?: CVE-2024-21671 is a low-severity vulnerability in Vantage6, classified under CWE-208. CVSS score: 3.7/10. Published 2024-01-30.
How severe is CVE-2024-21671?: Low severity. CVSS v3 base score is 3.7 out of 10.