8.8

CVE-2021-47745: cypress 200 OS Command Injection

CVSS: 8.8v3.1HighDeferred
Published 31-12-2025Last modified 05-03-2026

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.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.33%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 31-12-2025
    PublishedVulnerability first disclosed.
  2. 05-03-2026
    Last 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

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

19-09-202619-10-2026
EPSS score
1.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaseremotehardwareUnverified

    Cypress Solutions CTM-200 2.7.1 - Root Remote OS Command Injection

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Cypress1 product

1 vendor · 1 product

References

4 links