PT-2024-19013 · Vantage6 · Vantage6

Bartvanb · CVE-2024-21671 · Published 2024-01-30 · Updated 2026-07-07

Positive Technologies (AI Summary)

CVSS v3.1

3.7

Low

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions vantage6 versions prior to 4.2.0

Description The vantage6 technology is used 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, which could aid attackers in credential attacks.

Recommendations For versions prior to 4.2.0, update to version 4.2.0 to resolve the issue. As a temporary workaround, consider restricting access to the login functionality to minimize the risk of exploitation.

Exploit

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

CWE-208

Related Identifiers

CVE-2024-21671

GHSA-45GQ-Q4XH-CP53

PYSEC-2024-31

PYSEC-2026-2008

Affected Products

Vantage6

References · 14

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21671.json · Exploit
• https://github.com/vantage6/vantage6/commit/389f416c445da4f2438c72f34c3b1084485c4e30 · Patch
• https://github.com/vantage6/vantage6/security/advisories/GHSA-45gq-q4xh-cp53 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-2008 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-21671 · Security Note
• https://osv.dev/vulnerability/CVE-2024-21671 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2024-31 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-45gq-q4xh-cp53 · Vendor Advisory
• https://github.com/pypa/advisory-database/tree/main/vulns/vantage6/PYSEC-2024-31.yaml · Note
• https://github.com/vantage6/vantage6 · Note
• https://twitter.com/CVEnew/status/1752359082260848783 · Twitter Post
• https://github.com/advisories/GHSA-45gq-q4xh-cp53 · Note
• https://twitter.com/VulmonFeeds/status/1752384260583911712 · Twitter Post
• https://pypi.org/project/vantage6-server · Note