What is CVE-2023-23929?

CVE-2023-23929 is a high-severity vulnerability in Vantage6, classified under Insufficient Session Expiration. CVSS score: 8.8/10. Published 2023-03-04.

How severe is CVE-2023-23929?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Vantage6

CVE-2023-23929

vantage6 is a privacy preserving federated learning infrastructure for secure insight exchange. Currently, the refresh token is valid indefinitely. The refresh token should get a validity of 24-48 hours. A fix was released in version 3.8.0.

Published 2023-03-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Vantage6 — versions < 3.8.0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

github.com/vantage6/vantage6/security/advisories/GHSA-4w59-c3gc-rrhp (Third Party Advisory)
github.com/vantage6/vantage6/commit/48ebfca42359e9a6743e9598684585e2522cdce8 (Patch)

Frequently asked questions

What is CVE-2023-23929?: CVE-2023-23929 is a high-severity vulnerability in Vantage6, classified under Insufficient Session Expiration. CVSS score: 8.8/10. Published 2023-03-04.
How severe is CVE-2023-23929?: High severity. CVSS v3 base score is 8.8 out of 10.