CVE-2020-7357

Cayin CMS Command Injection

Severity Score

9.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.

Cayin CMS sufre de una vulnerabilidad de inyección de comando semi-ciega autenticada del Sistema Operativo usando credenciales predeterminadas. Esta puede ser explotada para inyectar y ejecutar comandos de shell arbitrarios como usuario root por medio del parámetro POST HTTP "NTP_Server_IP" en la página system.cgi. Este problema afecta a varias ramas y versiones de la aplicación CMS, incluyendo a CME-SE, CMS-60, CMS-40, CMS-20 y CMS versión 8.2, 8.0 y 7.5

*Credits: This issue was discovered by Gjoko Krstic of Zero Science Lab.

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-21 CVE Reserved
2020-06-18 CVE Published
2024-09-17 CVE Updated
2024-09-17 EPSS Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/rapid7/metasploit-framework/pull/13607	2024-09-17
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5570.php	2024-09-17

URL	Date	SRC

URL	Date	SRC
https://exchange.xforce.ibmcloud.com/vulnerabilities/182925	2023-07-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Cayintech Search vendor "Cayintech"	Cms-se Firmware Search vendor "Cayintech" for product "Cms-se Firmware"	11.0 Search vendor "Cayintech" for product "Cms-se Firmware" and version "11.0"	19179	Affected	in	Cayintech Search vendor "Cayintech"	Cms-se Search vendor "Cayintech" for product "Cms-se"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-se Firmware Search vendor "Cayintech" for product "Cms-se Firmware"	11.0 Search vendor "Cayintech" for product "Cms-se Firmware" and version "11.0"	19025	Affected	in	Cayintech Search vendor "Cayintech"	Cms-se Search vendor "Cayintech" for product "Cms-se"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-se Firmware Search vendor "Cayintech" for product "Cms-se Firmware"	11.0 Search vendor "Cayintech" for product "Cms-se Firmware" and version "11.0"	18325	Affected	in	Cayintech Search vendor "Cayintech"	Cms-se Search vendor "Cayintech" for product "Cms-se"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-se-lxc Firmware Search vendor "Cayintech" for product "Cms-se-lxc Firmware"	-	-	Affected	in	Cayintech Search vendor "Cayintech"	Cms-se-lxc Search vendor "Cayintech" for product "Cms-se-lxc"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-60 Firmware Search vendor "Cayintech" for product "Cms-60 Firmware"	11.0 Search vendor "Cayintech" for product "Cms-60 Firmware" and version "11.0"	19025	Affected	in	Cayintech Search vendor "Cayintech"	Cms-60 Search vendor "Cayintech" for product "Cms-60"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-40 Firmware Search vendor "Cayintech" for product "Cms-40 Firmware"	9.0 Search vendor "Cayintech" for product "Cms-40 Firmware" and version "9.0"	14197	Affected	in	Cayintech Search vendor "Cayintech"	Cms-40 Search vendor "Cayintech" for product "Cms-40"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-40 Firmware Search vendor "Cayintech" for product "Cms-40 Firmware"	9.0 Search vendor "Cayintech" for product "Cms-40 Firmware" and version "9.0"	14199	Affected	in	Cayintech Search vendor "Cayintech"	Cms-40 Search vendor "Cayintech" for product "Cms-40"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-40 Firmware Search vendor "Cayintech" for product "Cms-40 Firmware"	9.0 Search vendor "Cayintech" for product "Cms-40 Firmware" and version "9.0"	14093	Affected	in	Cayintech Search vendor "Cayintech"	Cms-40 Search vendor "Cayintech" for product "Cms-40"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-20 Firmware Search vendor "Cayintech" for product "Cms-20 Firmware"	9.0 Search vendor "Cayintech" for product "Cms-20 Firmware" and version "9.0"	14197	Affected	in	Cayintech Search vendor "Cayintech"	Cms-20 Search vendor "Cayintech" for product "Cms-20"	-	-	Safe
Cayintech Search vendor "Cayintech"	Cms-20 Firmware Search vendor "Cayintech" for product "Cms-20 Firmware"	9.0 Search vendor "Cayintech" for product "Cms-20 Firmware" and version "9.0"	14092	Affected	in	Cayintech Search vendor "Cayintech"	Cms-20 Search vendor "Cayintech" for product "Cms-20"	-	-	Safe
Cayintech Search vendor "Cayintech"		Cms Search vendor "Cayintech" for product "Cms"				7.5 Search vendor "Cayintech" for product "Cms" and version "7.5"		11175		Affected
Cayintech Search vendor "Cayintech"		Cms Search vendor "Cayintech" for product "Cms"				8.0 Search vendor "Cayintech" for product "Cms" and version "8.0"		11175		Affected
Cayintech Search vendor "Cayintech"		Cms Search vendor "Cayintech" for product "Cms"				8.2 Search vendor "Cayintech" for product "Cms" and version "8.2"		12199		Affected