CVE-2021-47744

CRITICAL EPSS 20.0%
Published Dec 31, 20256mo ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Critical
Find Similar
Published Dec 31, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

Description

Cypress Solutions CTM-200/CTM-ONE 1.3.6 contains hard-coded credentials vulnerability in Linux distribution that exposes root access. Attackers can exploit the static 'Chameleon' password to gain remote root access via Telnet or SSH on affected devices.

CVSS Details

Base Score
9.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
20.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-798 Use of Hard-coded Credentials Authentication

References 4

  • cypress.bc.ca https://www.cypress.bc.ca
  • exploit-db.com https://www.exploit-db.com/exploits/50407
  • vulncheck.com https://www.vulncheck.com/advisories/cypress-solutions-ctm-ctm-one-hard-coded-credentials-remote-root
  • zeroscience.mk https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5686.php

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.