CVE-2020-36900

All-Dynamics Digital Signage System 2.0.2 Cross-Site Request Forgery via User Management

All-Dynamics Digital Signage System 2.0.2 contains a cross-site request forgery vulnerability that allows attackers to create administrative users without proper request validation. Attackers can craft a malicious web page that automatically submits forms to create a new user with global administrative privileges when a logged-in user visits the page.

Affected

All-Dynamics Software GmbH · Digital Signage System

CVSS v4.0 VULNCHECK

8.6 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.27% chance of exploitation in the next 30 days, 19th percentile

Published

2025-12-10

Updated

2025-12-11

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/48736

Security advisories

• https://www.vulncheck.com/advisories/all-dynamics-digital-signage-system-cross-site-reque…
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5576.php
• https://www.all-dynamics.de

References

• CVE Record
• NVD entry