CVE-2024-21671 LOW

CVE-2024-21671: vantage6 username timing attack

Vendor Vantage6

Product vantage6

Weakness CWE-208

Published January 30, 2024

Last update October 17, 2024

View on NVD All CVEs

CVSS base score

3.7/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality Low

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 30, 2024 CVE published

October 17, 2024 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-21671 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/208.html

Related vulnerabilities

04Related CVE

CVE-2026-41263 Traefik: BasicAuth middleware: timing side-channel vulnerability CVE-2026-5419 Gnutls: gnutls: information disclosure via timing side-channel in pkcs#7 padding removal CVE-2026-28464 OpenClaw < 2026.2.12 - Timing Attack in Hooks Token Authentication CVE-2026-40194 phpseclib has a variable-time HMAC comparison in SSH2::get_binary_packet() using != instead of hash_equals() CVE-2024-0202 Cryptlib: rsa key exchange ciphersuites in tls vulnerable to marvin attack