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Vulnerability record · CVE-2021-47744 · published 31 December 2025

CVE-2021-47744: Hard-coded credentials vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 0.33% · top 76.6% CWE-798 · Hard-coded credentials Deferred
9.3CVSS 4.0 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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: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:

References

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

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Source: NIST National Vulnerability Database (record CVE-2021-47744), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.