CVE-2021-47745: cypress 200 OS Command Injection
Vulnerability summary
CVE-2021-47745 is a high (CVSS 8.8) OS Command Injection vulnerability in cypress 200. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 31-12-2025PublishedVulnerability first disclosed.
- 05-03-2026Last modifiedVulnerability information updated.
Description
Cypress Solutions CTM-200 2.7.1 contains an authenticated command injection vulnerability in the firmware upgrade script that allows remote attackers to execute shell commands. Attackers can exploit the 'fw_url' parameter in the ctm-config-upgrade.sh script to inject and execute arbitrary commands with root privileges.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST8.6HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.33%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
-0.02 pp
From 1.35% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCypress Solutions CTM-200 2.7.1 - Root Remote OS Command Injection
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Cypress1 product
- 2002.7.1
1 vendor · 1 product
References
4 links- www.cypress.bc.caProduct
- www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5687.phpThird Party Advisory
- www.vulncheck.com/advisories/…Third Party Advisory