The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applicationsUpgrade rack-session
to version 2.1.1 or higher.
rack-session is a session implementation for Rack.
Affected versions of this package are vulnerable to Race Condition in Rack::Session::Pool
middleware, which allows an attacker to restore and use a deleted session. The attacker must be in possession of a valid session cookie and the attack must be timed to coincide with a disconnection from the long-running session by another user.
This vulnerability can be avoided by invalidating sessions using the logged_out
flag rather than deleting them, or by enforcing session invalidation by maintaining a custom session store and invalidating based on timestamp as soon as a session is closed.