RCE in Hms-Networks Ewon Cosy\+ 4g Apac

CVE-2024-33896

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.040 (89.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-33896?
CVE-2024-33896 is a high-severity vulnerability in Hms-Networks Ewon Cosy\+ 4g Apac, classified under OS Command Injection. CVSS score: 7.2/10. Published 2024-08-02.
How severe is CVE-2024-33896?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2024-33896 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.