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Vulnerability record · CVE-2020-7357 · published 6 August 2020

CVE-2020-7357: Cayintech cms-se firmware os command injection vulnerability

Cayintech · Cms Se Firmware

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.

9.9 CVSS 3.1 Critical EPSS 32% · top 1.7% CWE-78 · OS command injection
9.9CVSS 3.1 base score, v2 9.0
32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/182925 Third Party AdvisoryVDB Entry
https://github.com/rapid7/metasploit-framework/pull/13607 ExploitPatch
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5570.php ExploitThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/182925 Third Party AdvisoryVDB Entry
https://github.com/rapid7/metasploit-framework/pull/13607 ExploitPatch
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5570.php ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-7357), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.