When the Elastic APM agent for Python versions before 5.1.0 is run as a CGI script, there is a variable name clash flaw if a remote attacker can control the proxy header. This could result in an attacker redirecting collected APM data to a proxy of their choosing.
{
"nvd_published_at": "2019-08-22T17:15:00Z",
"cwe_ids": [
"CWE-20"
],
"severity": "MODERATE",
"github_reviewed": true,
"github_reviewed_at": "2023-07-17T22:02:54Z"
}