Cypress Solutions CTM-200 2.7.1 Root Remote OS Command Injection via Firmware Upgrade
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47745
- 2026-10-03 Alias added: GHSA-2m8q-jcjp-298w
References
Exploit 1
More Cypress vulnerabilities
- TI-2021-22361 Cypress Solutions CTM-200/CTM-ONE 1.3.6 Hard-coded Credentials Remote Root CVSS 4.0CRITICAL 9.3
- TI-2023-25642 Cypress Solutions CTM-200 v2.7.1.5600 and below was discovered to contain an OS command… CVSS 3.1HIGH 7.5
- TI-2019-10372 An issue was discovered in Cypress (formerly Broadcom) WICED Studio 6.2 CYW20735B1 and… CVSS 3.1HIGH 8.8
- TI-2018-14069 Broadcom firmware before summer 2014 on Nexus 5 BCM4335C0 2012-12-11, Raspberry Pi 3… CVSS 3.0HIGH 8.8
- TI-2019-13462 On the Cypress CYW20735 evaluation board, any data that exceeds 384 bytes is copied and… CVSS 3.1HIGH 7.8
- TI-2020-09619 The Bluetooth Low Energy implementation in Cypress PSoC Creator BLE 4.2 component… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-47745 · CVE Program
- CVE-2021-47745 · NVD
- FIRST EPSS
- GHSA-2m8q-jcjp-298w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences