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CVE-2024-21671— vantage6 username timing attack

Quick assessment

Affected
vantage6 vantage6
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

vantage6是vantage6开源的一个用于 Secure Insight eXchange 的开源 priVAcy preserviNg federalTed leArningG 基础架构。 vantage6 4.2.0 版本之前存在安全漏洞，该漏洞源于可以从登录请求的响应时间找出用户名。

CVSS 3.7 · Low EPSS 0.40% · P33

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2024-21671

Vulnerability Information
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Vulnerability Title
vantage6 username timing attack
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
vantage6 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vantage6是vantage6开源的一个用于 Secure Insight eXchange 的开源 priVAcy preserviNg federalTed leArningG 基础架构。 vantage6 4.2.0 版本之前存在安全漏洞，该漏洞源于可以从登录请求的响应时间找出用户名。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vantage6 vantage6 < 4.2.0 -

II. Public POCs for CVE-2024-21671

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III. Intelligence Information for CVE-2024-21671

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Patches & Fixes for CVE-2024-21671 (1)

Vendor Advisories for CVE-2024-21671 (1)

Same Patch Batch · vantage6 · 2024-01-30 · 5 CVEs total

CVE-2024-21649 8.8 HIGH Remote code execution
CVE-2024-21653 6.5 MEDIUM vantage6 insecure SSH configuration for node and server containers
CVE-2024-22193 3.5 LOW vantage6 unencrypted task can be created in encrypted collaboration
CVE-2024-22200 3.3 LOW vantage6-UI docker image leaks software version information

IV. Related Vulnerabilities

Same product: vantage6
Same vendor: vantage6
Same weakness: CWE-208

V. Comments for CVE-2024-21671

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