Appweb before 7.2.2 and 8.x before 8.1.0, when built with CGI support, mishandles an HTTP request with a Range header that lacks an exact range. This may result in a NULL pointer dereference and cause a denial of service.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15689
Reference (s):
- https://github.com/embedthis/appweb-gpl/issues/2