Hard-Coded Credentials Vulnerability in Cypress Solutions CTM-200/CTM-ONE
CVE-2021-47744

9.3CRITICAL

Key Information:

Vendor

Cypress

Status
One
Vendor
CVE Published:
31 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47744?

The CTM-200 and CTM-ONE devices by Cypress Solutions include a security flaw identified by hard-coded credentials, specifically a static 'Chameleon' password. This vulnerability allows attackers to exploit the affected Linux distribution, providing them with unauthorized remote root access through Telnet or SSH. This can potentially lead to severe security breaches, enabling malicious actors to manipulate or control the devices remotely.

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Affected Version(s)

ONE -

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-2021-47744 - Proof of Concept

References

https://www.exploit-db.com/exploits/50407
exploit
https://www.cypress.bc.ca
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-56...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
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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