CVE-2025-43863: low-severity vulnerability in vantage6
vantage6 lacks brute-force protection on change password functionality
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 1.7epss 0.5%
vantage6 is an open source framework built to enable, manage and deploy privacy enhancing technologies like Federated Learning and Multi-Party Computation. If attacker gets access to an authenticated session, they can try to brute-force the user password by using the change password functionality: they can call that route infinitely which will return the message that password is wrong until it is correct. This vulnerability is fixed in 4.11.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U
Affected products
vantage6 · vantage6Related CVEs — vantage6
In the same product, most dangerous first.
CVE-2024-21649HIGHRemote code execution EPSS 1.3%CVE-2023-23930MEDIUMvantage6's Pickle serialization is insecureEPSS 1.1%CVE-2022-39228MEDIUMObservable Response Discrepancy in vantage6EPSS 0.6%CVE-2023-23929HIGHRefresh tokens do not expire in Vantage6EPSS 0.6%CVE-2023-28635MEDIUMDefining resource name as integer in vantage6 may give unintended accessEPSS 0.5%CVE-2023-41882MEDIUMvantage6 Improper Access Control vulnerabilityEPSS 0.5%