CVE-2024-21662

Summary

CVE-2024-21662 is a newly disclosed vulnerability affecting Argo CD, a popular Kubernetes continuous delivery tool, prior to versions 2.8.13, 2.9.9, and 2.10.4. This issue allows an attacker to bypass rate limit and brute force protections by manipulating the application's weak cache-based mechanism. An attacker can overflow the cache by bombarding it with login attempts for different users, effectively resetting the rate limit for the admin account. This vulnerability can be combined with others to target the default admin account, potentially leading to severe consequences. The patch for CVE-2020-8827, intended to protect against brute-force attacks, is undermined by this issue. Users are advised to upgrade to versions 2.8.13, 2.9.9, or 2.10.4 to mitigate the risk.

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