Vulnerability in Cypress One
CVE-2021-47744
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50407 (exploit)
- www.cypress.bc.ca (product)
- www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5686.php (third-party-advisory)
- www.vulncheck.com/advisories/cypress-solutions-ctm-ctm-one-hard-coded-credentia… (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47744?
- CVE-2021-47744 is a high-severity vulnerability in Cypress One, classified under Use of Hard-coded Credentials. CVSS score: 7.5/10. Published 2025-12-31.
- How severe is CVE-2021-47744?
- High severity. CVSS v3 base score is 7.5 out of 10.