Directory Traversal Flaw in Eibiz i-Media Server Digital Signage Affects User Security
CVE-2020-36893

8.7HIGH

Key Information:

Vendor

Eibiz Co.,ltd.

Status
I-media Server Digital Signage
Vendor
CVE Published:
10 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-36893?

The Eibiz i-Media Server Digital Signage version 3.8.0 is vulnerable to a directory traversal issue, enabling unauthorized remote attackers to gain access to files beyond the server’s root directory. By exploiting the 'oldfile' GET parameter, attackers can expose sensitive configuration files, such as web.xml, and access critical system files, including win.ini. This vulnerability poses significant risks to the integrity and confidentiality of the system.

Affected Version(s)

i-Media Server Digital Signage 0 <= 3.8.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-36893 - Proof of Concept

References

https://www.exploit-db.com/exploits/48766
exploit
http://www.eibiz.co.th
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-55...
vendor-advisoryvdb-entry

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

LiquidWorm as Gjoko Krstic of Zero Science Lab
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CVE-2020-36893 : Directory Traversal Flaw in Eibiz i-Media Server Digital Signage Affects User Security