An issue was discovered in Mods for HESK 3.1.0 through 2019.1.0. A privileged user can achieve code execution on the server via a ticket because of improper access control of uploaded resources. This might be exploitable in conjunction with CVE-2020-13992 by an unauthenticated attacker.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13994
Reference (s):
- https://loca1gh0s7.github.io/MFH-from-XSS-to-RCE-loca1gh0st-exercise/