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CVE Vulnerability Details :
CVE-2021-47745
PUBLISHED
More InfoOfficial Page
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
View Known Exploited Vulnerability (KEV) details
Published At-31 Dec, 2025 | 18:39
Updated At-05 Mar, 2026 | 14:31
Rejected At-
▼CVE Numbering Authority (CNA)
Cypress Solutions CTM-200 2.7.1 Root Remote OS Command Injection via Firmware Upgrade

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.

Affected Products
Vendor
Cypress
Product
200
Default Status
unaffected
Versions
Affected
  • 2.7.1
Problem Types
TypeCWE IDDescription
CWECWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Type: CWE
CWE ID: CWE-78
Description: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Metrics
VersionBase scoreBase severityVector
4.08.6HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 4.0
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
LiquidWorm as Gjoko Krstic of Zero Science Lab
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.exploit-db.com/exploits/50408
exploit
https://www.cypress.bc.ca
product
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5687.php
third-party-advisory
https://www.vulncheck.com/advisories/cypress-solutions-ctm-root-remote-os-command-injection-via-firmware-upgrade
third-party-advisory
Hyperlink: https://www.exploit-db.com/exploits/50408
Resource:
exploit
Hyperlink: https://www.cypress.bc.ca
Resource:
product
Hyperlink: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5687.php
Resource:
third-party-advisory
Hyperlink: https://www.vulncheck.com/advisories/cypress-solutions-ctm-root-remote-os-command-injection-via-firmware-upgrade
Resource:
third-party-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found