CVE-2021-47744

9.3 criticalEPSS 0.3%

Critical (9.3). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

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

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2025-12-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

Check your stack JSON