CVE-2021-47745

HIGH EPSS 64.0%
Published Dec 31, 20256mo ago · Modified Jun 17, 20262w ago
8.6 CVSS 4.0
High
Find Similar
Published Dec 31, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

Description

Cypress Solutions CTM-200 2.7.1 contains an authenticated command injection vulnerability in the firmware upgrade script that allows remote attackers to execute shell commands. Attackers can exploit the 'fw_url' parameter in the ctm-config-upgrade.sh script to inject and execute arbitrary commands with root privileges.

CVSS Details

Base Score
8.6
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
64.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-78 OS Command Injection Injection

References 4

  • cypress.bc.ca https://www.cypress.bc.ca
  • exploit-db.com https://www.exploit-db.com/exploits/50408
  • vulncheck.com https://www.vulncheck.com/advisories/cypress-solutions-ctm-root-remote-os-command-injection-via-firmware-upgrade
  • zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5687.php

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.