The host is installed with Python before 3.6.14, 3.7.x before 3.7.11, and 3.8.x before 3.8.10, 3.9.x before 3.9.5 and is prone to a denial of service vulnerability. A flaw is present in urllib's AbstractBasicAuthHandler class, which fails to properly handle unknown vectors. Successful exploitation allows remote attackers to cause denial of service.