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 github.com/traefik/traefik/v2/pkg/middlewares/headers
to version 2.4.13 or higher.
github.com/traefik/traefik/v2/pkg/middlewares/headers is a Cloud Native Application Proxy.
Affected versions of this package are vulnerable to Improper Control of Resources via the handling of the Connection
header. If an attacker has a chain of Traefik
middlewares, and one of them sets a request header, then sending a request with a certain Connection
header will cause it to be removed before the request is sent. In this case, the backend does not see the request header.
Active exploitation of this issue is unlikely, as it requires that a removed header would lead to a privilege escalation.