Authenticated Command Injection Vulnerability in Cypress Solutions CTM-200 Firmware
CVE-2021-47745

8.6HIGH

Key Information:

Vendor

Cypress

Status
200
Vendor
CVE Published:
31 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47745?

Cypress Solutions CTM-200 version 2.7.1 is vulnerable to an authenticated command injection attack through its firmware upgrade script. The vulnerability exists within the 'fw_url' parameter of the ctm-config-upgrade.sh script, allowing remote attackers to inject and execute arbitrary shell commands with root privileges. This poses a significant risk as it could lead to unauthorized access and potential system compromise.

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Affected Version(s)

200 2.7.1

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-2021-47745 - Proof of Concept

References

https://www.exploit-db.com/exploits/50408
exploit
https://www.cypress.bc.ca
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-56...
third-party-advisory

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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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