8.8
HIGH CVSS 3.1
CVE-2020-36910
Cayin Signage Media Player 3.0 Authenticated Remote Command Injection via NTP Parameter
Description

Cayin Signage Media Player 3.0 contains an authenticated remote command injection vulnerability in system.cgi and wizard_system.cgi pages. Attackers can exploit the 'NTP_Server_IP' parameter with default credentials to execute arbitrary shell commands as root.

INFO

Published Date :

Jan. 6, 2026, 4:15 p.m.

Last Modified :

Jan. 6, 2026, 4:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2020-36910 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Patch the vulnerable system to fix the authenticated remote command injection flaw.
  • Update Cayin Signage Media Player to a secure version.
  • Remove or restrict access to system.cgi and wizard_system.cgi.
  • Change default credentials immediately.
  • Validate all user inputs.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-36910 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-36910 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-36910 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jan. 06, 2026

    Action Type Old Value New Value
    Added Description Cayin Signage Media Player 3.0 contains an authenticated remote command injection vulnerability in system.cgi and wizard_system.cgi pages. Attackers can exploit the 'NTP_Server_IP' parameter with default credentials to execute arbitrary shell commands as root.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-78
    Added Reference https://cxsecurity.com/issue/WLB-2020060049
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/182924
    Added Reference https://packetstorm.news/files/id/157942
    Added Reference https://www.cayintech.com
    Added Reference https://www.exploit-db.com/exploits/48557
    Added Reference https://www.vulncheck.com/advisories/cayin-signage-media-player-authenticated-remote-command-injection-via-ntp-parameter
    Added Reference https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5569.php
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.7
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact